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Description
Model/Name: LM2596S DC-DC step-down module
Input voltage: 3.2V~40V
Output voltage: 1.25V~35V
Output current: 3A (maximum)
Conversion efficiency: 92% (maximum)
Output ripple: <30mV
Switching frequency: 65KHz
Working temperature: -45℃~ 85℃
Size: 43mm * 21mm * 14mm (length * width * height)
IN input positive IN- input negative!
OUT output positive OUT- output negative
Input voltage range: DC 3.2V to 40V (The input voltage needs to be 1.5V higher than the output voltage. It cannot be boosted)
Output voltage range: DC 1.25V to 35V continuously adjustable voltage, high efficiency (maximum 92% ), the maximum output current is 3A.
Measured 12V input, 5V output current 1A load regulation rate is less than 1%
Note: This is a step-down module, and the input voltage needs to be higher than the output voltage.
If the output current is greater than 2.5A (or the output power is greater than 10W), please add a heat sink to work for a long time.

Product Description
PICkit3 is a development tool designed by Microchip for beginners to learn, evaluate and develop PIC series MCUs, integrating online simulation and downloading.
PIC series single-chip microcomputer is connected with PICkit3 through ICSP interface
Supported software:
Directly support Microchip's official IDE (integrated development environment software) MPLAB
Supported devices:
Support all PIC series microcontrollers with ICSP interface
Open the software, configure->select device PICKIT3 with a green light in front of it to indicate support.
8-bit Devices-PIC10F/12F/16F
PIC10F/12F/16F5X
PIC16F6xx
PIC16F7XX
PIC16F8XX
PIC16F9XX
PIC16F1XXX
8-bit Devices-PIC18F
PIC18CXX/FXX
PIC18F1XXX
PIC18F2XXX/4XXX/6XXX/8XXX
PIC18FXXJ
PIC18FXXK
16-bit Devices
dsPIC30F/33F, PIC24F/H
32-bit Devices
PIC32MX
Features
Programming function: Can burn and write FLASH ROM, EEPROM, etc.
Simulation function: supports various debugging methods such as full-speed running, single-step debugging, and breakpoint debugging.
Simulation performance: using USB interface for simulation debugging, single step debugging, breakpoint debugging, fast response speed!
Programming performance: using USB interface for ICSP download, fast download speed!
Use USB interface to connect to PC
PICkit3 development tool has built-in driver to realize high-speed USB communication.
Connection interface with target board
ICSP standard interface specified by PICkit3.
Firmware can be upgraded
In the future, Microchip will introduce more PIC models, and will also add new device models to the ICSP device support list. When you need to use the latest models in future development, upgrade kit3, and upgrade firmware programs, you will be able to support the new Model!
The upgrade method is automatic upgrade, and Microchip will provide an upgrade program.
Tool description:
The PICkit 3 programmer/debugger is a simple low-cost online debugger controlled by a PC running MPLAB IDE (v8.20 or higher) software on a Windows® platform.
PICkit3 can program and debug almost all series of PIC FLASH microcontroller chips such as Microchip's PIC10/12/16/18/24/32, dsPIC30/dsPIC33, etc. And PICkit3 can program Microchip's KEELOQ HCS series chips, MCP250xx CAN series chips, and EEPROM memory chips.
Compared with PICkit2, PICkit3 has the advantages of stable simulation, more supported models, and faster speed. It can stably support PIC16 PIC18 PIC24 DSPIC series MCU simulation and download.
Since the ICSP interface of PIC has only one row of 6PIN connectors, when connecting PICkit3 to the PIC target board, you need to pay attention to the left and right direction of the connection. Do not insert it backwards to avoid burning the PICkit3 downloader.
Status of PICkit3's LED indicator
The indicators have the following meanings:
Power:
Green, it lights up when it is powered on or connected to the target board.
Active:
Blue, it lights when the PICkit 3 has established communication with the PC or sending/receiving commands.
Status:
Green, lights up when the debugger is working normally (standby).
Yellow, lights up when the operation is busy.
Red, lights up when the debugger fails.

Product Description
PICkit3 is a development tool designed by Microchip for beginners to learn, evaluate and develop PIC series MCUs, integrating online simulation and downloading.
PIC series single-chip microcomputer is connected with PICkit3 through ICSP interface
Supported software:
Directly support Microchip's official IDE (integrated development environment software) MPLAB
Supported devices:
Support all PIC series microcontrollers with ICSP interface
Open the software, configure->select device PICKIT3 with a green light in front of it to indicate support.
8-bit Devices-PIC10F/12F/16F
PIC10F/12F/16F5X
PIC16F6xx
PIC16F7XX
PIC16F8XX
PIC16F9XX
PIC16F1XXX
8-bit Devices-PIC18F
PIC18CXX/FXX
PIC18F1XXX
PIC18F2XXX/4XXX/6XXX/8XXX
PIC18FXXJ
PIC18FXXK
16-bit Devices
dsPIC30F/33F, PIC24F/H
32-bit Devices
PIC32MX
Features
Programming function: Can burn and write FLASH ROM, EEPROM, etc.
Simulation function: supports various debugging methods such as full-speed running, single-step debugging, and breakpoint debugging.
Simulation performance: using USB interface for simulation debugging, single step debugging, breakpoint debugging, fast response speed!
Programming performance: using USB interface for ICSP download, fast download speed!
Use USB interface to connect to PC
PICkit3 development tool has built-in driver to realize high-speed USB communication.
Connection interface with target board
ICSP standard interface specified by PICkit3.
Firmware can be upgraded
In the future, Microchip will introduce more PIC models, and will also add new device models to the ICSP device support list. When you need to use the latest models in future development, upgrade kit3, and upgrade firmware programs, you will be able to support the new Model!
The upgrade method is automatic upgrade, and Microchip will provide an upgrade program.
Tool description:
The PICkit 3 programmer/debugger is a simple low-cost online debugger controlled by a PC running MPLAB IDE (v8.20 or higher) software on a Windows® platform.
PICkit3 can program and debug almost all series of PIC FLASH microcontroller chips such as Microchip's PIC10/12/16/18/24/32, dsPIC30/dsPIC33, etc. And PICkit3 can program Microchip's KEELOQ HCS series chips, MCP250xx CAN series chips, and EEPROM memory chips.
Compared with PICkit2, PICkit3 has the advantages of stable simulation, more supported models, and faster speed. It can stably support PIC16 PIC18 PIC24 DSPIC series MCU simulation and download.
Since the ICSP interface of PIC has only one row of 6PIN connectors, when connecting PICkit3 to the PIC target board, you need to pay attention to the left and right direction of the connection. Do not insert it backwards to avoid burning the PICkit3 downloader.
Status of PICkit3's LED indicator
The indicators have the following meanings:
Power:
Green, it lights up when it is powered on or connected to the target board.
Active:
Blue, it lights when the PICkit 3 has established communication with the PC or sending/receiving commands.
Status:
Green, lights up when the debugger is working normally (standby).
Yellow, lights up when the operation is busy.
Red, lights up when the debugger fails.

Product Description
PICkit3 is a development tool designed by Microchip for beginners to learn, evaluate and develop PIC series MCUs, integrating online simulation and downloading.
PIC series single-chip microcomputer is connected with PICkit3 through ICSP interface
Supported software:
Directly support Microchip's official IDE (integrated development environment software) MPLAB
Supported devices:
Support all PIC series microcontrollers with ICSP interface
Open the software, configure->select device PICKIT3 with a green light in front of it to indicate support.
8-bit Devices-PIC10F/12F/16F
PIC10F/12F/16F5X
PIC16F6xx
PIC16F7XX
PIC16F8XX
PIC16F9XX
PIC16F1XXX
8-bit Devices-PIC18F
PIC18CXX/FXX
PIC18F1XXX
PIC18F2XXX/4XXX/6XXX/8XXX
PIC18FXXJ
PIC18FXXK
16-bit Devices
dsPIC30F/33F, PIC24F/H
32-bit Devices
PIC32MX
Features
Programming function: Can burn and write FLASH ROM, EEPROM, etc.
Simulation function: supports various debugging methods such as full-speed running, single-step debugging, and breakpoint debugging.
Simulation performance: using USB interface for simulation debugging, single step debugging, breakpoint debugging, fast response speed!
Programming performance: using USB interface for ICSP download, fast download speed!
Use USB interface to connect to PC
PICkit3 development tool has built-in driver to realize high-speed USB communication.
Connection interface with target board
ICSP standard interface specified by PICkit3.
Firmware can be upgraded
In the future, Microchip will introduce more PIC models, and will also add new device models to the ICSP device support list. When you need to use the latest models in future development, upgrade kit3, and upgrade firmware programs, you will be able to support the new Model!
The upgrade method is automatic upgrade, and Microchip will provide an upgrade program.
Tool description:
The PICkit 3 programmer/debugger is a simple low-cost online debugger controlled by a PC running MPLAB IDE (v8.20 or higher) software on a Windows® platform.
PICkit3 can program and debug almost all series of PIC FLASH microcontroller chips such as Microchip's PIC10/12/16/18/24/32, dsPIC30/dsPIC33, etc. And PICkit3 can program Microchip's KEELOQ HCS series chips, MCP250xx CAN series chips, and EEPROM memory chips.
Compared with PICkit2, PICkit3 has the advantages of stable simulation, more supported models, and faster speed. It can stably support PIC16 PIC18 PIC24 DSPIC series MCU simulation and download.
Since the ICSP interface of PIC has only one row of 6PIN connectors, when connecting PICkit3 to the PIC target board, you need to pay attention to the left and right direction of the connection. Do not insert it backwards to avoid burning the PICkit3 downloader.
Status of PICkit3's LED indicator
The indicators have the following meanings:
Power:
Green, it lights up when it is powered on or connected to the target board.
Active:
Blue, it lights when the PICkit 3 has established communication with the PC or sending/receiving commands.
Status:
Green, lights up when the debugger is working normally (standby).
Yellow, lights up when the operation is busy.
Red, lights up when the debugger fails.

Product Description
PICkit3 is a development tool designed by Microchip for beginners to learn, evaluate and develop PIC series MCUs, integrating online simulation and downloading.
PIC series single-chip microcomputer is connected with PICkit3 through ICSP interface
Supported software:
Directly support Microchip's official IDE (integrated development environment software) MPLAB
Supported devices:
Support all PIC series microcontrollers with ICSP interface
Open the software, configure->select device PICKIT3 with a green light in front of it to indicate support.
8-bit Devices-PIC10F/12F/16F
PIC10F/12F/16F5X
PIC16F6xx
PIC16F7XX
PIC16F8XX
PIC16F9XX
PIC16F1XXX
8-bit Devices-PIC18F
PIC18CXX/FXX
PIC18F1XXX
PIC18F2XXX/4XXX/6XXX/8XXX
PIC18FXXJ
PIC18FXXK
16-bit Devices
dsPIC30F/33F, PIC24F/H
32-bit Devices
PIC32MX
Features
Programming function: Can burn and write FLASH ROM, EEPROM, etc.
Simulation function: supports various debugging methods such as full-speed running, single-step debugging, and breakpoint debugging.
Simulation performance: using USB interface for simulation debugging, single step debugging, breakpoint debugging, fast response speed!
Programming performance: using USB interface for ICSP download, fast download speed!
Use USB interface to connect to PC
PICkit3 development tool has built-in driver to realize high-speed USB communication.
Connection interface with target board
ICSP standard interface specified by PICkit3.
Firmware can be upgraded
In the future, Microchip will introduce more PIC models, and will also add new device models to the ICSP device support list. When you need to use the latest models in future development, upgrade kit3, and upgrade firmware programs, you will be able to support the new Model!
The upgrade method is automatic upgrade, and Microchip will provide an upgrade program.
Tool description:
The PICkit 3 programmer/debugger is a simple low-cost online debugger controlled by a PC running MPLAB IDE (v8.20 or higher) software on a Windows® platform.
PICkit3 can program and debug almost all series of PIC FLASH microcontroller chips such as Microchip's PIC10/12/16/18/24/32, dsPIC30/dsPIC33, etc. And PICkit3 can program Microchip's KEELOQ HCS series chips, MCP250xx CAN series chips, and EEPROM memory chips.
Compared with PICkit2, PICkit3 has the advantages of stable simulation, more supported models, and faster speed. It can stably support PIC16 PIC18 PIC24 DSPIC series MCU simulation and download.
Since the ICSP interface of PIC has only one row of 6PIN connectors, when connecting PICkit3 to the PIC target board, you need to pay attention to the left and right direction of the connection. Do not insert it backwards to avoid burning the PICkit3 downloader.
Status of PICkit3's LED indicator
The indicators have the following meanings:
Power:
Green, it lights up when it is powered on or connected to the target board.
Active:
Blue, it lights when the PICkit 3 has established communication with the PC or sending/receiving commands.
Status:
Green, lights up when the debugger is working normally (standby).
Yellow, lights up when the operation is busy.
Red, lights up when the debugger fails.

Product Description
PICkit3 is a development tool designed by Microchip for beginners to learn, evaluate and develop PIC series MCUs, integrating online simulation and downloading.
PIC series single-chip microcomputer is connected with PICkit3 through ICSP interface
Supported software:
Directly support Microchip's official IDE (integrated development environment software) MPLAB
Supported devices:
Support all PIC series microcontrollers with ICSP interface
Open the software, configure->select device PICKIT3 with a green light in front of it to indicate support.
8-bit Devices-PIC10F/12F/16F
PIC10F/12F/16F5X
PIC16F6xx
PIC16F7XX
PIC16F8XX
PIC16F9XX
PIC16F1XXX
8-bit Devices-PIC18F
PIC18CXX/FXX
PIC18F1XXX
PIC18F2XXX/4XXX/6XXX/8XXX
PIC18FXXJ
PIC18FXXK
16-bit Devices
dsPIC30F/33F, PIC24F/H
32-bit Devices
PIC32MX
Features
Programming function: Can burn and write FLASH ROM, EEPROM, etc.
Simulation function: supports various debugging methods such as full-speed running, single-step debugging, and breakpoint debugging.
Simulation performance: using USB interface for simulation debugging, single step debugging, breakpoint debugging, fast response speed!
Programming performance: using USB interface for ICSP download, fast download speed!
Use USB interface to connect to PC
PICkit3 development tool has built-in driver to realize high-speed USB communication.
Connection interface with target board
ICSP standard interface specified by PICkit3.
Firmware can be upgraded
In the future, Microchip will introduce more PIC models, and will also add new device models to the ICSP device support list. When you need to use the latest models in future development, upgrade kit3, and upgrade firmware programs, you will be able to support the new Model!
The upgrade method is automatic upgrade, and Microchip will provide an upgrade program.
Tool description:
The PICkit 3 programmer/debugger is a simple low-cost online debugger controlled by a PC running MPLAB IDE (v8.20 or higher) software on a Windows® platform.
PICkit3 can program and debug almost all series of PIC FLASH microcontroller chips such as Microchip's PIC10/12/16/18/24/32, dsPIC30/dsPIC33, etc. And PICkit3 can program Microchip's KEELOQ HCS series chips, MCP250xx CAN series chips, and EEPROM memory chips.
Compared with PICkit2, PICkit3 has the advantages of stable simulation, more supported models, and faster speed. It can stably support PIC16 PIC18 PIC24 DSPIC series MCU simulation and download.
Since the ICSP interface of PIC has only one row of 6PIN connectors, when connecting PICkit3 to the PIC target board, you need to pay attention to the left and right direction of the connection. Do not insert it backwards to avoid burning the PICkit3 downloader.
Status of PICkit3's LED indicator
The indicators have the following meanings:
Power:
Green, it lights up when it is powered on or connected to the target board.
Active:
Blue, it lights when the PICkit 3 has established communication with the PC or sending/receiving commands.
Status:
Green, lights up when the debugger is working normally (standby).
Yellow, lights up when the operation is busy.
Red, lights up when the debugger fails.

Product Description
PICkit3 is a development tool designed by Microchip for beginners to learn, evaluate and develop PIC series MCUs, integrating online simulation and downloading.
PIC series single-chip microcomputer is connected with PICkit3 through ICSP interface
Supported software:
Directly support Microchip's official IDE (integrated development environment software) MPLAB
Supported devices:
Support all PIC series microcontrollers with ICSP interface
Open the software, configure->select device PICKIT3 with a green light in front of it to indicate support.
8-bit Devices-PIC10F/12F/16F
PIC10F/12F/16F5X
PIC16F6xx
PIC16F7XX
PIC16F8XX
PIC16F9XX
PIC16F1XXX
8-bit Devices-PIC18F
PIC18CXX/FXX
PIC18F1XXX
PIC18F2XXX/4XXX/6XXX/8XXX
PIC18FXXJ
PIC18FXXK
16-bit Devices
dsPIC30F/33F, PIC24F/H
32-bit Devices
PIC32MX
Features
Programming function: Can burn and write FLASH ROM, EEPROM, etc.
Simulation function: supports various debugging methods such as full-speed running, single-step debugging, and breakpoint debugging.
Simulation performance: using USB interface for simulation debugging, single step debugging, breakpoint debugging, fast response speed!
Programming performance: using USB interface for ICSP download, fast download speed!
Use USB interface to connect to PC
PICkit3 development tool has built-in driver to realize high-speed USB communication.
Connection interface with target board
ICSP standard interface specified by PICkit3.
Firmware can be upgraded
In the future, Microchip will introduce more PIC models, and will also add new device models to the ICSP device support list. When you need to use the latest models in future development, upgrade kit3, and upgrade firmware programs, you will be able to support the new Model!
The upgrade method is automatic upgrade, and Microchip will provide an upgrade program.
Tool description:
The PICkit 3 programmer/debugger is a simple low-cost online debugger controlled by a PC running MPLAB IDE (v8.20 or higher) software on a Windows® platform.
PICkit3 can program and debug almost all series of PIC FLASH microcontroller chips such as Microchip's PIC10/12/16/18/24/32, dsPIC30/dsPIC33, etc. And PICkit3 can program Microchip's KEELOQ HCS series chips, MCP250xx CAN series chips, and EEPROM memory chips.
Compared with PICkit2, PICkit3 has the advantages of stable simulation, more supported models, and faster speed. It can stably support PIC16 PIC18 PIC24 DSPIC series MCU simulation and download.
Since the ICSP interface of PIC has only one row of 6PIN connectors, when connecting PICkit3 to the PIC target board, you need to pay attention to the left and right direction of the connection. Do not insert it backwards to avoid burning the PICkit3 downloader.
Status of PICkit3's LED indicator
The indicators have the following meanings:
Power:
Green, it lights up when it is powered on or connected to the target board.
Active:
Blue, it lights when the PICkit 3 has established communication with the PC or sending/receiving commands.
Status:
Green, lights up when the debugger is working normally (standby).
Yellow, lights up when the operation is busy.
Red, lights up when the debugger fails.

Product parameters:
Size: 33.4 * 25.6MM
Voltage: 3.3V, 5V
Port: the digital quantity level
The output load voltage: 0 to 24V
The output load current: < 5A (more than 1A need to add heat sink)
Platform: the MCU, ARM, raspberry pi
The product features:
Using original IRF520 power MOS tube, can adjust PWM output
Can let the drive up to 24 v load, such as LED lights belt, dc motor, micro pump, solenoid valve
By PWM adjustable can realize stepless dimming LED, motor stepless speed regulation
The product instructions:
PWM signal for high level effectively
When the PWM for high level (3.3 V to 3.3 V) :
As the power supply voltage, between V and V - working indicator, work load
When the PWM is low level (0 V to 0.5 V) :
V and V - between 0, work lights out, don't work load

Product Description
Transmitter head and receiver template Product specifications and operating instructions
Receiver module parameters
Product Model: MX-RM-5V
Operating voltage : DC5V quiescent current: 4MA
Receiving frequency: 433.92MHZ
Receiver sensitivity: - 105DB
Size : 30 * 14 * 7mm external antenna: 32CM single core wire wound into a spiral
Technical parameters of the transmitter head
Product Model: MX-FS
Launch distance: 20 -200 meters (different voltage, different results) Operating voltage: 3.5-12V Dimensions: 19 * 19mm
Ways of working: AM transfer rate: 4KB / S transmit power: 10mW
Transmitting frequency: 433M
An external antenna: 25cm ordinary multi-core or single-core line
Pinout from left → right: ( DATA ; VCC ; GND )
Application environment
Remote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, shutter doors, windows, remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote volume gate, pan doors, remote control door opener, door closing device control system, remote control curtains, alarm host, alarm, remote control motorcycle remote control electric cars, remote control MP3 .

Product Description
Transmitter head and receiver template Product specifications and operating instructions
Receiver module parameters
Product Model: MX-RM-5V
Operating voltage : DC5V quiescent current: 4MA
Receiving frequency: 433.92MHZ
Receiver sensitivity: - 105DB
Size : 30 * 14 * 7mm external antenna: 32CM single core wire wound into a spiral
Technical parameters of the transmitter head
Product Model: MX-FS
Launch distance: 20 -200 meters (different voltage, different results) Operating voltage: 3.5-12V Dimensions: 19 * 19mm
Ways of working: AM transfer rate: 4KB / S transmit power: 10mW
Transmitting frequency: 433M
An external antenna: 25cm ordinary multi-core or single-core line
Pinout from left → right: ( DATA ; VCC ; GND )
Application environment
Remote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, shutter doors, windows, remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote volume gate, pan doors, remote control door opener, door closing device control system, remote control curtains, alarm host, alarm, remote control motorcycle remote control electric cars, remote control MP3 .

Performance:
1.Input Voltage: 5V-15VDC. when power supply is 5V , the output current can be 15MA around;when 12V power supply, the output current can 35MA around;
2.Input current: >=100MA;
3.Output amplitude: 4.2V V-PP to 11.4V V-PP. (Different input voltage, the output amplitude will be different)
4.Maximum output current: >=15MA (5V power supply, V-PP greater than 50% ), >=35MA (12V power supply, V-PP greater than 50% )
4.Output with LED indication(low level ,LED will on; high level,LED will off;low frequency, the LED flashes);
5.The output requency range is selectable:
LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz
High-frequency file: 1KHz ~ 10kHz
HF file: 10kHz ~ 200kHz
5.Cycle T=0.7 (RA 2RB) C (RA, RB for 0-10K adjustable);
Low frequency:C=100UF; Intermediate frequency:C=1UF;
M-H frequency: C=0.1UF; High frequency: C=0.001UF,
Note:
Before changing the frequency, please power off
Application:
1. Used as a square wave signal generator, offer the square wave signal for the use of the experimental development.
2. Used to produce driving stepper motor drives, offer the square wave signal.
3. Adjustable pulse for the use of MCU.
4. Generate adjustable pulse control circuit.
Parameters:
Product name: NE555 pulse module
Product size: 31.0 mm * 31.0 mm * 15.0 mm (l x w x h)
Colours:Red Package Weight: :7.52 g/pcs
Materials: FR4 electronic components

Product description
The grayscale sensor is an analog sensor. It can be used in combination with the arduino sensor expansion board v5.0 to sense the different colors of the ground or the desktop and generate corresponding signals. It can realize interactive works related to color, and can also be used as a tour of the patrol car. Grayscale recognition of the field sensor or soccer robot. The power supply needs to be the same as the controller, usually 3.3V or 5V.
Specifications
Working voltage: 3.3V or 5V
Working current : < 20mA
Operating temperature range: -10 ° C ~ 70 ° C
Detection resolution: 10%
Interface type: analog signal output
Size: 24mm x 21mm
Weight: 3g
Interface definition
S：Signal output
：Power supply (VCC)
-：Ground (GND)
Instructions
working principle
The gradation sensor comprises a white high-brightness light-emitting diode and a photoresistor. Since the light returned by the light-emitting diode on different gradation papers is different, the photoresistor receives the returned light, and the photoresistor is different according to the intensity of the light. The resistance values are also different, thereby realizing the test of the gray value.
Programming principle
The gray level sensor has three pins, which are the power supply positive Vcc, the power supply ground GND, and the signal end S. In actual use, the sensor can be directly connected to the analog interface of the arduino controller, for example, the analog port A0, after the arduino is powered on, The sensor white highlight LED lights up, the sensor button is placed on different gray paper, the data is read by the AD conversion of the arduino controller, and then the measured analog quantity is printed through the serial port.
Connection diagram
The S port is connected to the analog input pin of the controller. Connect 5V and GND to the 5V and GND of the power supply, respectively.

Sample program
Connect the grayscale sensor to the arduino controller according to the program and observe the value of the serial port output under different gray values.

Features:
1. Use with D1 MINI
2. Arduino compatible, use Arduino IDE for programming
3.11XI/O pin
4.1XADC pin (input 0-3.3V)
5. Support OTA online

Copy the link of the Baidu network disk to download the webpage: http://pan.baidu.com/s/1hrTChYO


Delivery list (packed in electrostatic bag):
1. Long female row X2PCS
2. Short header X2PCS
3. Ordinary pin header X2PCS
4.1-way relay module (FOR D1-MINI) X1PCS
Shipping list:
1.Long female pins x2pcs
2.Short female pins x2pcs
3.Normal pins x2pcs
4. RELAY Shield x1pcs
Pin definition (relay module VCC and GND are connected to D1 MINI main board, and the occupied data IO port is D1)

Product Description
Note: does not include batteries
1. DS3231 high precision clock module for Raspberry Pi
2. the module can also be used for Arduino motherboard
3. The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient!
Features:
1. to 40° to 85° temperature range, timing accuracy in a plus or minus 5 PPM ( /- 0.432 SEC/day)
2. To provide continuous timing battery backup
3. Low power consumption
4. The device compatible with DS3231 encapsulation and function
5. Complete the clock calendar function including the second, minute
6. Two calendar clock
7. 1 Hz and 32.768 kHz output
8. Reset the output and input button to tremble
9. High speed (400 KHZ) the I2C serial bus
10. 2.3 V to 5.5 V power supply voltage
11.The accuracy of plus or minus 3° digital temperature sensor 12.- 40 ° to 85° temperature range

Structural principle buzzer
(A) the introduction of the buzzer
1. The role of the buzzer: buzzer is an integrated structure of electronic transducers, DC power supply, widely used in computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers, etc. electronic products for sound devices.
2. Buzzer Category: mainly divided into piezoelectric buzzer and two types of electromagnetic buzzer.
3. Buzzer circuit pattern symbols: the buzzer in the circuit by the letter "H" or "HA" (old standard with "FM", "LB", "JD", etc.) indicates.
Schematic buzzer
(Two) structural principle buzzer
1. Piezo Buzzer: piezoelectric buzzer mainly by the multivibrator, piezo buzzer, impedance matching and resonance box, casing and other components. Some piezo buzzer case is also equipped with light-emitting diodes.
Multivibrator constituted by the transistors or integrated circuits. When switched on (1.5V-15V DC working voltage), multi-harmonic oscillator start-up, the output 1.5-2.5kHZ audio signal, impedance matching push piezo buzzer sound.
Piezo buzzer by a lead zirconate titanate or lead magnesium niobate piezoelectric ceramic material. Both surfaces of the ceramic sheet plated silver electrode, the polarization and the aging treatment, and then with brass or stainless steel sheet stick together.
2. Magnetic Buzzer: electromagnetic buzzer by the oscillator, the electromagnetic coil, magnet, diaphragm and housing and other components.
After power on, the audio signal generated by the oscillator current through the electromagnetic coil, the electromagnetic coil generates a magnetic field. The electromagnetic coil and the diaphragm is the interaction of the magnet, periodically vibrating sound.
(Three) produced the buzzer
(1) Preparation of electromagnets M: about 6 cm in iron bolt 100 turns around the wire, leaving 5 cm for the line-side leads of the coil with a transparent adhesive tape is good, so the coil release tape and then stick it in a box, the electromagnet on the well.
(2) Preparation of shrapnel P: Cut from the iron cans on a width of 2 cm long iron, bent at right angles, the electromagnet is a wire connected to the shrapnel, and then tape the shrapnel close to the wood.
(3) to make contact with the paper clip Q, books elevate the clip with taped, leads to a wire, as shown in the circuit connected.
(4) adjusting the distance between the M and P (by moving the boxes), the electromagnet to attract shrapnel, adjust the distance between the contacts and the shrapnel so that they can just contact with energized after the beep can be heard.
(Four) active and passive buzzer buzzer
Teach you to distinguish between active and passive buzzer buzzer
Now on the market because of its small size, a small buzzer (diameter of only llmm), light weight, low price, solid structure, and widely used in a variety of needs audible electrical equipment, electronic production and single-chip circuits .
From the exterior, two kinds of buzzer seems the same, but a closer look, a slight difference between the height of the active buzzer a, height of 9mm, while passive buzzer b height of 8mm. If the two buzzer pins facing up, it can be seen that there is a green circuit board is a passive buzzer, no circuit boards with vinyl closed one is active buzzer .
Beng step determine active and passive buzzer buzzer, you can use a multimeter resistance profile Rxl file test: the buzzer with black pen then the " " pin, the red pen back and forth to touch on another pin, If you trigger a cracking, cracking sound and the resistance only 8Ω (or 16Ω) is passive buzzer; if a continuous sound, and the resistance in the hundreds over Europe, and is an active buzzer.
Active buzzer directly connected to the rated power supply (new buzzer are stated on the label) can be a continuous sound; rather passive and electromagnetic buzzer speaker is the same, you need to take in order to sound the audio output circuit

Description
MAX7219 LED Dot Matrix 8-bit Digital Tube Display Control Module 3.3V 5V Microcontroller Serial Driver 7-segment
8-bit digital display module MAX7219 LED display Supports cascaded 8-bit serial IO port 3 control
Save your single-chip computer resources, do not need to open the timer scan,Liberating MCU do more!Only need to update the display data, a data transfer.
MAX7219Digital tube display control module
MAX7219Is a kind of integrated serial input/Output common cathode display driver,It connects the microprocessor with8A number of7Period of digitalThe LED, according to the article also can connect the chart or monitor64A separateThe LED.It includes a pieceBtypeBCDEncoder, multiplexing scanning circuit, period of word drives, and have another one8 * 8The staticRAMUsed to store every data.There is only one external registers used to setThe LEDThe period of current.
A convenient four wire serial interface can join all general microprocessor.Each data can be addressed in the update does not need to rewrite all the display.MAX7219Also allows the user to each data selection code or code.
The device contains a150mua.Low power off mode, analog and digital brightness control, a scan limit register allows the user to display1-8 -Bits of data, there is a let allThe LEDGlowing detection mode.
Only need to3aIOThe mouth can drive8A digital tube!Digital tube display when not blink!Support cascading!

Features
Supports Gravity 3-Pin interface
Analog output

Applications
Garden plants
Moisture detection
Intelligent agriculture

Specification
Operating Voltage: 3.3 ~ 5.5 VDC
Output Voltage: 0 ~ 3.0VDC
Interface: PH2.0-3P
Dimension: 98mm * 23mm (3.86in x 0.905in)

Description
1 This is a simple moisture sensor that can be used to detect the moisture in the soil. When the soil lacks water, the module outputs a high level, otherwise it outputs a low level. Use this sensor to make an automatic watering device, so that the plants in your garden do not need to be managed by humans.
2 Sensitivity is adjustable (the blue digital potentiometer is adjusted in the picture)
4 Working voltage 3.3V-5V
5 Module dual output mode, simple digital output, more accurate analog output.
6 Equipped with fixing bolt holes for easy installation
7 Small board PCB size: 3cm * 1.6cm
8 Power indicator (red) and digital switch output indicator (green)
9 The comparator uses the LM393 chip, which works stably
Two small board interface description (4-wire system)
1 VCC external 3.3V-5V
2 GND External GND
3 DO small board digital output interface (0 and 1)
4 AO small board analog output interface
Three instructions
1 The soil moisture module is sensitive to environmental humidity and is generally used to detect soil moisture.
2 When the soil moisture does not reach the set threshold, the DO port outputs high level. When the soil moisture exceeds the set threshold, module D0 outputs low level;
3 The small-board digital output D0 can be directly connected to the single-chip microcomputer, and the high and low levels are detected by the single-chip microcomputer, thereby detecting the soil moisture;
4 small board digital output DO can directly drive our relay module, buzzer module, etc., which can form a soil moisture alarm device;
5 The analog output AO of the small board can be connected with the AD module, through AD conversion, a more accurate value of soil moisture can be obtained

Description
Applicable scope: Suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, without limitation on the dimensions)
Product Size: 45*15*3.4mm (Standard), 48*20*3.4mm (Balancing)
Charging voltage: 8.4V - 9.0V
Continuous discharge current (upper limit): 20A (If the cooling environment is not good, reduce the load current use)
Continuous charge current (upper limit): 10A
Standard Edition: Suitable for starting drills with currents up to 25A below 50W, or resistive loads below 168W.
Balanced version: Suitable for starting currents below 25A and below 50W power drills, or resistive loads below 168W, with balanced charging function.
Note 1: The successful start of power drill requires two 10C-20C power batteries, or four 5C-10C power batteries (ordinary 18650 can not start drill! ! !); 0V and 8.4V cable, use 2 square mm Above copper wire (cannot use nickel plate!!!)
Note 2: Connect 0V, 4.2V, 8.4V according to the diagram strictly. When connecting the battery for the first time, it needs to be charged before output.
Note 3: When the battery is charged, "430" resistance heating is a normal phenomenon, indicating that the equalizing circuit is working; if the "430" resistance is also heating in the state of not charging, please check whether the wrong line is connected. For some customers with poor electronic foundation, please explain: Do not mix good batteries and bad batteries together! The capacity/internal resistance of 2 batteries should be as close as possible! (1 good battery 1 bad battery = 2 battery use effect).

Description
Applicable scope: Suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, without limitation on the dimensions)
Product Size: 45*15*3.4mm (Standard), 48*20*3.4mm (Balancing)
Charging voltage: 8.4V - 9.0V
Continuous discharge current (upper limit): 20A (If the cooling environment is not good, reduce the load current use)
Continuous charge current (upper limit): 10A
Standard Edition: Suitable for starting drills with currents up to 25A below 50W, or resistive loads below 168W.
Balanced version: Suitable for starting currents below 25A and below 50W power drills, or resistive loads below 168W, with balanced charging function.
Note 1: The successful start of power drill requires two 10C-20C power batteries, or four 5C-10C power batteries (ordinary 18650 can not start drill! ! !); 0V and 8.4V cable, use 2 square mm Above copper wire (cannot use nickel plate!!!)
Note 2: Connect 0V, 4.2V, 8.4V according to the diagram strictly. When connecting the battery for the first time, it needs to be charged before output.
Note 3: When the battery is charged, "430" resistance heating is a normal phenomenon, indicating that the equalizing circuit is working; if the "430" resistance is also heating in the state of not charging, please check whether the wrong line is connected. For some customers with poor electronic foundation, please explain: Do not mix good batteries and bad batteries together! The capacity/internal resistance of 2 batteries should be as close as possible! (1 good battery 1 bad battery = 2 battery use effect).

ACS712ELCTR-5A
The original chip ACS712ELCTR-05B power supply 5v.
It can measure positive and negative 5 amp current.
Corresponding analog output: 185mV/A
0 current output is the power supply midpoint voltage isolation type.
The default delivery is to match the terminal block, but the terminal block is not soldered.
ACS712ELCTR-20A
Using the original ACS712ELCTR-20A chip, it can measure positive and negative 20 amp current, corresponding to analog output is 100mV/A, when the current is zero, the output is the midpoint voltage of the power supply. The default delivery is to match the terminal block, but the terminal block is not soldered.
Product parameters:
Operating voltage 5 V
Working current 10mA
Interface output voltage 100mV/A
Working temperature -40° ~ 85°
ACS712ELCTR-30A
Product parameters:
Working voltage: 5v
Measuring range: 30A current
Corresponding analog output: 66mV/A [0 current output is the midpoint voltage of the power supply, isolated type]
The default delivery is to match the terminal block, but the terminal block is not soldered.
Package include
1pcs ACS712 Module（The current is sent according to the options）

ACS712ELCTR-5A
The original chip ACS712ELCTR-05B power supply 5v.
It can measure positive and negative 5 amp current.
Corresponding analog output: 185mV/A
0 current output is the power supply midpoint voltage isolation type.
The default delivery is to match the terminal block, but the terminal block is not soldered.
ACS712ELCTR-20A
Using the original ACS712ELCTR-20A chip, it can measure positive and negative 20 amp current, corresponding to analog output is 100mV/A, when the current is zero, the output is the midpoint voltage of the power supply. The default delivery is to match the terminal block, but the terminal block is not soldered.
Product parameters:
Operating voltage 5 V
Working current 10mA
Interface output voltage 100mV/A
Working temperature -40° ~ 85°
ACS712ELCTR-30A
Product parameters:
Working voltage: 5v
Measuring range: 30A current
Corresponding analog output: 66mV/A [0 current output is the midpoint voltage of the power supply, isolated type]
The default delivery is to match the terminal block, but the terminal block is not soldered.
Package include
1pcs ACS712 Module（The current is sent according to the options）

Description
1. PRodukt einführung MH-M18/M28/M38 ist ein low-power-Bluetooth design lösung, die unterstützt die neueste Bluetooth 4,2 übertragung, zwei-kanal stereo verlustfreie wiedergabe, und Bluetooth drahtlose übertragung wenn das modul ist verbunden zu Bluetooth, die ist sehr bequem. In einer offenen umgebung, die Bluetooth verbindung abstand kann bis zu 20 meter. Weit verbreitet in einer vielzahl von Bluetooth audio empfang, eine vielzahl von audio DIY änderung. Für ihre verschiedenen bedürfnisse, wir bieten 3 versionen für sie zu wählen aus:
2 .. funktion/Pin definition 1. bluetooth V4.2 version, unterstützung Bluetooth automatische verbindung technologie, unterstützung WAV/WMA/FLAC/APE/MP3 verlustfreie decodierung, stereo dual channel ausgang. 2. nach die modul ist powered auf, die handy sucht für die Bluetooth name MH-M18/MH-M28/MH-M38, und kann musik spielen nach dem anschluss Bluetooth. 3, modul blau anzeige licht: Wenn die Bluetooth ist nicht verbunden, die anzeige licht blinkt schnell; Wenn die bluetooth-verbindung ist auf, die anzeige licht ist immer auf; Die folgenden ist eine einführung zu jeder version: MH-M18: PCB größe: 23*16*2,5mm (länge, breite und höhe) Pin pitch: 2,54mm (kann direkt angebracht oder gelötet)
3. funktion/Pin definition 1 . die interface nimmt eine semi-loch prozess, die ist bequem für kunden zu direkt befestigen oder solder zu die bord. 2 . 1. Bluetooth V4.2 version, unterstützung Bluetooth automatische verbindung technologie, unterstützung WAV/WMA/FLAC/APE/MP3 verlustfreie decodierung, stereo dual channel ausgang. PIN KEINE Funktion Beschreibung 1 SCHLÜSSEL Button control terminal (4 taste funktionen, zusätzliche widerstände wie verdrahtung diagramm) 2 STUMM Mute control terminal (ausgangs hohe 3,3 v wenn muting, ausgang niedrigen niveau während der wiedergabe) 3 VCC Positive netzteil 5 v (lithium-batterie 3,7 v netzteil erfordert kurzschluss diode) 4 GND GND 5 L Linken kanal 6 R Rechten kanal
PIN Beschreibung 1 5 v 5 v 2 GND GND 3 VBAT Lithium-batterie 3,7 v power supply3.7V-4,2 v 4 L Linken kanal 5 R Rechten kanal 6 AGND Audio GND
1. netzteil: Sie können direkt verwenden die MICRO USB Android kabel 5 v für direkt strom versorgung, oder sie können auch verbinden 5 v netzteil oder 3,7 v lithium-batterie (wie unten dargestellt). Hinweis, dass die 5 v und 3,7 v netzteil schnittstellen sind verschiedene. Die 5 v spannung ist verbunden zu 5 v und GND, und die 3,7 v lithium-batterie ist verbunden zu VBAT und GND. 2. audio ausgang: Die kopfhörer kann direkt an die 3,5mm audio interface, oder es kann verdrahtet werden für die audio eingang der power verstärker bord (die interface L/R /AGND kann direkt verdrahtete wie gezeigt).
PIN Beschreibung 1 5 v 5 v 2 GND GND 3 VBAT Lithium-batterie 3,7 v power supply3.7V-4,2 v 4 L Linken kanal 5 R Rechten kanal 1. netzteil: Sie können direkt verwenden die MICRO USB Android kabel 5 v für direkt strom versorgung, oder sie können auch verbinden 5 v netzteil oder 3,7 v lithium-batterie (wie unten dargestellt). Hinweis, dass die 5 v und 3,7 v netzteil schnittstellen sind verschiedene. Die 5 v spannung ist verbunden zu 5 v und GND, und die 3,7 v lithium-batterie ist verbunden zu VBAT und GND. Die maximale betriebs strom ist 5V2A. Es wird empfohlen, eine geregelte 5V2A netzteil für besseren klang qualität. 2. unterstützung USB soundkarte, freies stick (stecker und spielen). Schließen sie das modul an den computer mit einem usb-kabel, und die computer können spielen musik durch das modul verstärker ausgang. Audio ausgang: ausgang links und rechts stereo audio signale, angeschlossen werden kann zwei 2-8 ohm, 3-5 watt lautsprecher, und 4 Euro 5 watt lautsprecher. 3. dieses produkt hat seine eigenen dual 5 watt power verstärker schaltung, und muss nicht verbunden werden zu einem anderen verstärker! Die ausgänge der zwei verstärker kann nicht verbunden werden in parallel oder die negative pole können miteinander verbunden werden, sonst die power verstärker chip kann beschädigt werden.

Description
1. PRodukt einführung MH-M18/M28/M38 ist ein low-power-Bluetooth design lösung, die unterstützt die neueste Bluetooth 4,2 übertragung, zwei-kanal stereo verlustfreie wiedergabe, und Bluetooth drahtlose übertragung wenn das modul ist verbunden zu Bluetooth, die ist sehr bequem. In einer offenen umgebung, die Bluetooth verbindung abstand kann bis zu 20 meter. Weit verbreitet in einer vielzahl von Bluetooth audio empfang, eine vielzahl von audio DIY änderung. Für ihre verschiedenen bedürfnisse, wir bieten 3 versionen für sie zu wählen aus:
2 .. funktion/Pin definition 1. bluetooth V4.2 version, unterstützung Bluetooth automatische verbindung technologie, unterstützung WAV/WMA/FLAC/APE/MP3 verlustfreie decodierung, stereo dual channel ausgang. 2. nach die modul ist powered auf, die handy sucht für die Bluetooth name MH-M18/MH-M28/MH-M38, und kann musik spielen nach dem anschluss Bluetooth. 3, modul blau anzeige licht: Wenn die Bluetooth ist nicht verbunden, die anzeige licht blinkt schnell; Wenn die bluetooth-verbindung ist auf, die anzeige licht ist immer auf; Die folgenden ist eine einführung zu jeder version: MH-M18: PCB größe: 23*16*2,5mm (länge, breite und höhe) Pin pitch: 2,54mm (kann direkt angebracht oder gelötet)
3. funktion/Pin definition 1 . die interface nimmt eine semi-loch prozess, die ist bequem für kunden zu direkt befestigen oder solder zu die bord. 2 . 1. Bluetooth V4.2 version, unterstützung Bluetooth automatische verbindung technologie, unterstützung WAV/WMA/FLAC/APE/MP3 verlustfreie decodierung, stereo dual channel ausgang. PIN KEINE Funktion Beschreibung 1 SCHLÜSSEL Button control terminal (4 taste funktionen, zusätzliche widerstände wie verdrahtung diagramm) 2 STUMM Mute control terminal (ausgangs hohe 3,3 v wenn muting, ausgang niedrigen niveau während der wiedergabe) 3 VCC Positive netzteil 5 v (lithium-batterie 3,7 v netzteil erfordert kurzschluss diode) 4 GND GND 5 L Linken kanal 6 R Rechten kanal
PIN Beschreibung 1 5 v 5 v 2 GND GND 3 VBAT Lithium-batterie 3,7 v power supply3.7V-4,2 v 4 L Linken kanal 5 R Rechten kanal 6 AGND Audio GND
1. netzteil: Sie können direkt verwenden die MICRO USB Android kabel 5 v für direkt strom versorgung, oder sie können auch verbinden 5 v netzteil oder 3,7 v lithium-batterie (wie unten dargestellt). Hinweis, dass die 5 v und 3,7 v netzteil schnittstellen sind verschiedene. Die 5 v spannung ist verbunden zu 5 v und GND, und die 3,7 v lithium-batterie ist verbunden zu VBAT und GND. 2. audio ausgang: Die kopfhörer kann direkt an die 3,5mm audio interface, oder es kann verdrahtet werden für die audio eingang der power verstärker bord (die interface L/R /AGND kann direkt verdrahtete wie gezeigt).
PIN Beschreibung 1 5 v 5 v 2 GND GND 3 VBAT Lithium-batterie 3,7 v power supply3.7V-4,2 v 4 L Linken kanal 5 R Rechten kanal 1. netzteil: Sie können direkt verwenden die MICRO USB Android kabel 5 v für direkt strom versorgung, oder sie können auch verbinden 5 v netzteil oder 3,7 v lithium-batterie (wie unten dargestellt). Hinweis, dass die 5 v und 3,7 v netzteil schnittstellen sind verschiedene. Die 5 v spannung ist verbunden zu 5 v und GND, und die 3,7 v lithium-batterie ist verbunden zu VBAT und GND. Die maximale betriebs strom ist 5V2A. Es wird empfohlen, eine geregelte 5V2A netzteil für besseren klang qualität. 2. unterstützung USB soundkarte, freies stick (stecker und spielen). Schließen sie das modul an den computer mit einem usb-kabel, und die computer können spielen musik durch das modul verstärker ausgang. Audio ausgang: ausgang links und rechts stereo audio signale, angeschlossen werden kann zwei 2-8 ohm, 3-5 watt lautsprecher, und 4 Euro 5 watt lautsprecher. 3. dieses produkt hat seine eigenen dual 5 watt power verstärker schaltung, und muss nicht verbunden werden zu einem anderen verstärker! Die ausgänge der zwei verstärker kann nicht verbunden werden in parallel oder die negative pole können miteinander verbunden werden, sonst die power verstärker chip kann beschädigt werden.

Description
1. PRodukt einführung MH-M18/M28/M38 ist ein low-power-Bluetooth design lösung, die unterstützt die neueste Bluetooth 4,2 übertragung, zwei-kanal stereo verlustfreie wiedergabe, und Bluetooth drahtlose übertragung wenn das modul ist verbunden zu Bluetooth, die ist sehr bequem. In einer offenen umgebung, die Bluetooth verbindung abstand kann bis zu 20 meter. Weit verbreitet in einer vielzahl von Bluetooth audio empfang, eine vielzahl von audio DIY änderung. Für ihre verschiedenen bedürfnisse, wir bieten 3 versionen für sie zu wählen aus:
2 .. funktion/Pin definition 1. bluetooth V4.2 version, unterstützung Bluetooth automatische verbindung technologie, unterstützung WAV/WMA/FLAC/APE/MP3 verlustfreie decodierung, stereo dual channel ausgang. 2. nach die modul ist powered auf, die handy sucht für die Bluetooth name MH-M18/MH-M28/MH-M38, und kann musik spielen nach dem anschluss Bluetooth. 3, modul blau anzeige licht: Wenn die Bluetooth ist nicht verbunden, die anzeige licht blinkt schnell; Wenn die bluetooth-verbindung ist auf, die anzeige licht ist immer auf; Die folgenden ist eine einführung zu jeder version: MH-M18: PCB größe: 23*16*2,5mm (länge, breite und höhe) Pin pitch: 2,54mm (kann direkt angebracht oder gelötet)
3. funktion/Pin definition 1 . die interface nimmt eine semi-loch prozess, die ist bequem für kunden zu direkt befestigen oder solder zu die bord. 2 . 1. Bluetooth V4.2 version, unterstützung Bluetooth automatische verbindung technologie, unterstützung WAV/WMA/FLAC/APE/MP3 verlustfreie decodierung, stereo dual channel ausgang. PIN KEINE Funktion Beschreibung 1 SCHLÜSSEL Button control terminal (4 taste funktionen, zusätzliche widerstände wie verdrahtung diagramm) 2 STUMM Mute control terminal (ausgangs hohe 3,3 v wenn muting, ausgang niedrigen niveau während der wiedergabe) 3 VCC Positive netzteil 5 v (lithium-batterie 3,7 v netzteil erfordert kurzschluss diode) 4 GND GND 5 L Linken kanal 6 R Rechten kanal
PIN Beschreibung 1 5 v 5 v 2 GND GND 3 VBAT Lithium-batterie 3,7 v power supply3.7V-4,2 v 4 L Linken kanal 5 R Rechten kanal 6 AGND Audio GND
1. netzteil: Sie können direkt verwenden die MICRO USB Android kabel 5 v für direkt strom versorgung, oder sie können auch verbinden 5 v netzteil oder 3,7 v lithium-batterie (wie unten dargestellt). Hinweis, dass die 5 v und 3,7 v netzteil schnittstellen sind verschiedene. Die 5 v spannung ist verbunden zu 5 v und GND, und die 3,7 v lithium-batterie ist verbunden zu VBAT und GND. 2. audio ausgang: Die kopfhörer kann direkt an die 3,5mm audio interface, oder es kann verdrahtet werden für die audio eingang der power verstärker bord (die interface L/R /AGND kann direkt verdrahtete wie gezeigt).
PIN Beschreibung 1 5 v 5 v 2 GND GND 3 VBAT Lithium-batterie 3,7 v power supply3.7V-4,2 v 4 L Linken kanal 5 R Rechten kanal 1. netzteil: Sie können direkt verwenden die MICRO USB Android kabel 5 v für direkt strom versorgung, oder sie können auch verbinden 5 v netzteil oder 3,7 v lithium-batterie (wie unten dargestellt). Hinweis, dass die 5 v und 3,7 v netzteil schnittstellen sind verschiedene. Die 5 v spannung ist verbunden zu 5 v und GND, und die 3,7 v lithium-batterie ist verbunden zu VBAT und GND. Die maximale betriebs strom ist 5V2A. Es wird empfohlen, eine geregelte 5V2A netzteil für besseren klang qualität. 2. unterstützung USB soundkarte, freies stick (stecker und spielen). Schließen sie das modul an den computer mit einem usb-kabel, und die computer können spielen musik durch das modul verstärker ausgang. Audio ausgang: ausgang links und rechts stereo audio signale, angeschlossen werden kann zwei 2-8 ohm, 3-5 watt lautsprecher, und 4 Euro 5 watt lautsprecher. 3. dieses produkt hat seine eigenen dual 5 watt power verstärker schaltung, und muss nicht verbunden werden zu einem anderen verstärker! Die ausgänge der zwei verstärker kann nicht verbunden werden in parallel oder die negative pole können miteinander verbunden werden, sonst die power verstärker chip kann beschädigt werden.

Features:
Model Number: Micro SD Shield
Install Style: Plug-in
Package Included:
1 x Micro SD Shield

Product Description
100pcs 3mm LED Diode 3 mm Assorted Kit White Green Red Blue Yellow DIY Light Emitting Diode
Red
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

green
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 400-500mcd

yellow
[Input voltage]: 2.0-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 100-200mcd

blue
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

white
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 5000-8000mcd
orange
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

Product Description
100pcs 3mm LED Diode 3 mm Assorted Kit White Green Red Blue Yellow DIY Light Emitting Diode
Red
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

green
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 400-500mcd

yellow
[Input voltage]: 2.0-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 100-200mcd

blue
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

white
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 5000-8000mcd
orange
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

Product Description
100pcs 3mm LED Diode 3 mm Assorted Kit White Green Red Blue Yellow DIY Light Emitting Diode
Red
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

green
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 400-500mcd

yellow
[Input voltage]: 2.0-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 100-200mcd

blue
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

white
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 5000-8000mcd
orange
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

Product Description
100pcs 3mm LED Diode 3 mm Assorted Kit White Green Red Blue Yellow DIY Light Emitting Diode
Red
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

green
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 400-500mcd

yellow
[Input voltage]: 2.0-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 100-200mcd

blue
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

white
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 5000-8000mcd
orange
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

Product Description
100pcs 3mm LED Diode 3 mm Assorted Kit White Green Red Blue Yellow DIY Light Emitting Diode
Red
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

green
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 400-500mcd

yellow
[Input voltage]: 2.0-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 100-200mcd

blue
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

white
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 5000-8000mcd
orange
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

Product Description
100pcs 3mm LED Diode 3 mm Assorted Kit White Green Red Blue Yellow DIY Light Emitting Diode
Red
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

green
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 400-500mcd

yellow
[Input voltage]: 2.0-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 100-200mcd

blue
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

white
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 5000-8000mcd
orange
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

Product Description
100pcs 3mm LED Diode 3 mm Assorted Kit White Green Red Blue Yellow DIY Light Emitting Diode
Red
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

green
[Input voltage]: 1.8-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 400-500mcd

yellow
[Input voltage]: 2.0-2.2v
[Input Current]: 20mA
[Luminescence intensity]: 100-200mcd

blue
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

white
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 5000-8000mcd
orange
[Input voltage]: 3.0-3.2v
[Input Current]: 20mA
[Luminous intensity]: 600-800mcd

Description
Laser sensor Module
Condition: New
Operating voltage 5V
Output wavelength 650 nm
3 pins module
With fixed bolt hole for easy installation
Color: show as pictures
PLS NOTE that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item!

Package Included:
1 x Laser sensor Module

Feature
The module (MicroSD Card Adapter) is a Micro SD card reader module, through the file system and the SPI interface driver, MCU to complete the file system to read and write MicroSD card. Users can directly use IDE comes with an SD card to complete the library card initialization and read-write
Module features are as follows:
1. Supports Micro SD cards, Micro SDHC card (high speed card)
2 level conversion circuit board that interfaces level for 5V or 3.3V
3 power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board
4 is a standard communication interface SPI interface
5.4 M2 screw positioning holes for easy installation
Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is SPI bus, CS is the chip select signal pin;
3.3V voltage regulator circuit: LDO regulator output is 3.3V level converter chip, Micro SD card supply;
Level conversion circuit: Micro SD card into the direction of the signal is converted to 3.3V, MicroSD card interfaces to control the direction of the MISO signal is also converted into 3.3V, general AVR microcontroller system can read the signal;
Micro SD card connector: a self-bomb deck, easy card insertion.
Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination

Description
1 One input: DC 6V--12V (the input voltage must be 1V higher than the output voltage);
2 Three-way output: 3.3V ( -0.05 error percentage), 5.0V ( -0.05 error percentage), 12V (input 12V directly to output);
3 The input interface is a 2.1*5.5 DC female socket;
4 Double panel design, beautiful and generous layout;
5 Use multiple pin headers for input and output, which is convenient for use and connection;
6 PCB board size: 3.5cm*3.5cm;
7 With power indicator;

This is professional version serial GSM / GPRS core development board based on GPRS A6 module. It supports dual-band GSM/GPRS network, available for GPRS and SMS message data remote transmission.
The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 3mA in sleep mode.
It communicates with microcontroller via UART port, supports command including GSM 07.07, GSM 07.05 and Ai-Thinker enhanced AT Commands.

Feature:
Working frequency: quad-band network, 850 / 900 / 1800 / 1900MHz
Working voltage: 4.8-9VDC(On-board voltage regulator circuit supply power for A6 module)
Working Current: maximum of 2A
Sleep Current: 5mA
Onboard Micro SIM card holder, you can install Micro SIM card
Onboard Micro USB interface for external power supply
Communication Interface: TTL serial port / RS232 serial port
Baud rate: 115200bps and it can also be set by AT command.
Interface logic voltage: 3.3V
Make and answer phone calls using a headset and electret microphone.
Send and receive SMS messages.
Send and receive GPRS data (TCP/IP, HTTP, etc.) .
Be used to test the Ai-Thinker GPRS A6 module
Pin pitch: 2.54mm
Onboard antenna interface: SMA and IPX

About the Antenna:
Suitable for SIM800L GSM modules / for Arduino SIM900 GPRS Shield
Frequency: 780MHz ~ 960MHz .1710MHz ~ 2170MHz
Antenna gain: 2.0 ± 0.7 dBi @ 880 MHz, 2.0 ± 0.7 dBi @ 1800 MHz
S.W.R <= 2.0 @ 2100 MHz ~ 2500 MHz
Output Impedance: 50 Ohm
Antenna interface: SMA

Package Included:
1 x A6 GPRS GSM Module
1 x SMA Interface Antenna

DS1302 real-time clock module
DS1302 is a trickle charge clock chip introduced by DALLAS, which contains a real-time clock/calendar and 31 bytes of static RAM, and communicates with the microcontroller through a simple serial interface. The real-time clock/calendar circuit provides information of seconds, minutes, hours, days, weeks, months, and years. The number of days in a month and the number of days in a leap year can be adjusted automatically. Clock operation can be determined by AM/PM indication to adopt 24 or 12 hour format. The DS1302 and the single-chip microcomputer can simply use the synchronous serial way to communicate, only three ports are needed: (1) RST reset (2) I/O data line (3) SCLK serial clock. The read/write data of the clock/RAM is communicated in a byte or burst of up to 31 bytes. The DS1302 has very low power consumption when working, and the power is less than 1mW while maintaining data and clock information
Main performance indicators of DS1302:
★ The real-time clock has the ability to calculate seconds, minutes, hours, days, weeks, months, and years before 2100, as well as the ability to adjust leap years
★ 31 8-bit temporary data storage RAM
★ Serial I/O port mode makes the number of pins less
★ Wide range of working voltage 2.0 5.5V
★ When the working current is 2.0V, less than 300nA
★ There are two transmission methods when reading/writing clock or RAM data: single-byte transmission and multi-byte transmission character group method
★ 8-pin DIP package or optional 8-pin SOIC package according to surface assembly
★ Simple 3-wire interface
★ Compatible with TTL Vcc=5V
★ Optional industrial temperature range -40 85
★ Dual power supply tubes are used for main power supply and backup power supply
The parameters of the DS1302 real-time clock module are as follows:
1. The PCB is a single panel, size: 44mm*23mm*1.6mm
2. With 4 positioning holes, diameter 3.1mm
3. The backup battery is Celestial CR2032, voltage 3V, current 260mAh, non-rechargeable battery. The theoretical data retention time is more than 10 years!
4. The crystal oscillator is 32.768KHz, imported from Japan, the matching capacitance is 6pF, and the size is 2*6mm
5. DS1302 is a large 8-pin direct-insertion chip made in China. There is an IC socket under the chip, which is convenient to replace and plug the chip.
6. The working voltage of the module is compatible with 3.3V/5V and can be connected with 5V and 3.3V microcontrollers
7. Working temperature: 0°---70°
Wiring method (take the provided program as an example, you can connect to any IO port, just modify the port definition in the program):
VCC→ 5V/3.3V
GND→GND
CLK→P02
DAT→P01
RST→P00
Precautions:
1. Don't connect VCC and GND reversely, so as not to burn out the chip
2.51 The P0 port of the single-chip microcomputer needs to be connected with a pull-up resistor. If your single-chip microcomputer is not connected with a pull-up resistor, you can connect the data line to other ports

2 Channel Solid State Relay
1, the use of solid state relays, output with a resistive fuse 240V 2A.
2, Size: 55 * 33 * 25 (L * W * H)
3, input power: 5V DC (160MA)
4, the input control signal voltage:
0-1.5V state low level relay
5, blue KF301 terminal access control line more convenient

Description
1. The onboard TJA1050 CAN controller interface chip

2. The chip pin has been commonly used derivation, convenience for the connection

3. Pin 5v power supply

4. The PCB board size: 22 mm x11 mm

Description:
Two-axis key joystick sensor module by the use of PS2 rocker potentiometer, with (X, Y) 2-axis analog output, (Z) 1 button digital output.ith W the sensor expansion board can produce remote control and other interactive works. In addition, this product in order to allow customers to more easily with the expansion board and other standard interfaces, in the design of the X, Y, Z axis of the circuit are separate leads, the user can use 3-pin special line really plug into the expansion board .

Product performance:

1. Input voltage range: DC 3.3V to 5V
2. Output signal: the module special two-way analog output and a digital output interface, the output value corresponding to (X, Y) biaxial offset, the type of analog; keys that the user press the Z axis, Its type is digital switch.
3.controller can be programmed, the sensor expansion board plug, complete with creative remote interactive works.
4. Cross joystick is a bi-directional 10K resistor, with the rocker in different directions, the tap resistance with the change. This module uses 5V power supply, the original state of X, Y read voltage of 2.5V or so, when pressed with the arrow direction, the read voltage value increases with the maximum to 5V; arrows in the opposite direction to press, read the voltage decreases , The minimum is 0V.

Features:
Latest infrared wireless remote control kit consists Mini Slim 38KHz IR remote control and infrared receiver modules, Mini Slim infrared remote control with 17 function keys, firing distances of up to 8 meters, ideal for a variety of devices in the control room. IR receiver module can receive standard 38KHz modulation remote control signal, through programming, you can achieve remote control signal decoding operation, which can produce a variety of remote control robots and interactive works.
Ultra-thin infrared remote control product parameters:1 Transmission Distance: 8m above (specific and surroundings, the receiver sensitivity and other factors)2 Effective angle: 60 degrees3 Sticking Material: 0.125mmPET, the effective life of 20,000 times.4. Stable quality, cost-effective5 quiescent current 3-5uA, dynamic current 3-5mA.

Raspberry Pi 3 Case
Note: Raspberry Pi board is not included.
Item Description:
Material: Aluminum alloy
Color: Black
Compatible with: Raspberry Pi 3 Model B ,Raspberry Pi 3 Model B
Features:Passive cooling architecture design can reach perfect heat dissipation.
Features:
Ultra-thin design
Easy to install
Fast Heat dissipation
Silence Fan without noise
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 3 Model B perfectly
Packing List:
Aluminum alloy Case x 1pcs
Assembly screw x 1 set
Thermal silica x 1 set
Screwdriver x 1pcs
Raspberry Pi 4 Case
Note: Raspberry Pi board is not included.
Ultra-thin design
Easy to install
Fast Heat dissipation
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 4 Computer Model B perfectly
Open case design, you don't need to worry it will effect wifi signal any more
Reinforced aluminum material, lightweight and durable, long-lasting stainles
We use silicon cooling pad (the thickness is only 0.5mm) to touch the shell body to dissipate heat. You can use the CPU grease to relace the silicon colling pad to get better heat dissipation.
Dual Fan:
Noise: 18dB
Low Power Consumption Design
Dual Cooling Expericnce, More powerful heat dissipation
Very Quiet Cooling Fan, get rid of the fan noisy
All of the Fans were Tested by Our Engineer, Very Nice Quality Control
Update Thermal Tape Can Make Sure Best Heat Conduction Effect
Packing List
1 x armor case for raspberry pi 4 model B(Case with dual fan)
1 x Screws Pack
1 x Wrench

Raspberry Pi 3 Case
Note: Raspberry Pi board is not included.
Item Description:
Material: Aluminum alloy
Color: Black
Compatible with: Raspberry Pi 3 Model B ,Raspberry Pi 3 Model B
Features:Passive cooling architecture design can reach perfect heat dissipation.
Features:
Ultra-thin design
Easy to install
Fast Heat dissipation
Silence Fan without noise
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 3 Model B perfectly
Packing List:
Aluminum alloy Case x 1pcs
Assembly screw x 1 set
Thermal silica x 1 set
Screwdriver x 1pcs
Raspberry Pi 4 Case
Note: Raspberry Pi board is not included.
Ultra-thin design
Easy to install
Fast Heat dissipation
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 4 Computer Model B perfectly
Open case design, you don't need to worry it will effect wifi signal any more
Reinforced aluminum material, lightweight and durable, long-lasting stainles
We use silicon cooling pad (the thickness is only 0.5mm) to touch the shell body to dissipate heat. You can use the CPU grease to relace the silicon colling pad to get better heat dissipation.
Dual Fan:
Noise: 18dB
Low Power Consumption Design
Dual Cooling Expericnce, More powerful heat dissipation
Very Quiet Cooling Fan, get rid of the fan noisy
All of the Fans were Tested by Our Engineer, Very Nice Quality Control
Update Thermal Tape Can Make Sure Best Heat Conduction Effect
Packing List
1 x armor case for raspberry pi 4 model B(Case with dual fan)
1 x Screws Pack
1 x Wrench

Raspberry Pi 3 Case
Note: Raspberry Pi board is not included.
Item Description:
Material: Aluminum alloy
Color: Black
Compatible with: Raspberry Pi 3 Model B ,Raspberry Pi 3 Model B
Features:Passive cooling architecture design can reach perfect heat dissipation.
Features:
Ultra-thin design
Easy to install
Fast Heat dissipation
Silence Fan without noise
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 3 Model B perfectly
Packing List:
Aluminum alloy Case x 1pcs
Assembly screw x 1 set
Thermal silica x 1 set
Screwdriver x 1pcs
Raspberry Pi 4 Case
Note: Raspberry Pi board is not included.
Ultra-thin design
Easy to install
Fast Heat dissipation
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 4 Computer Model B perfectly
Open case design, you don't need to worry it will effect wifi signal any more
Reinforced aluminum material, lightweight and durable, long-lasting stainles
We use silicon cooling pad (the thickness is only 0.5mm) to touch the shell body to dissipate heat. You can use the CPU grease to relace the silicon colling pad to get better heat dissipation.
Dual Fan:
Noise: 18dB
Low Power Consumption Design
Dual Cooling Expericnce, More powerful heat dissipation
Very Quiet Cooling Fan, get rid of the fan noisy
All of the Fans were Tested by Our Engineer, Very Nice Quality Control
Update Thermal Tape Can Make Sure Best Heat Conduction Effect
Packing List
1 x armor case for raspberry pi 4 model B(Case with dual fan)
1 x Screws Pack
1 x Wrench

Raspberry Pi 3 Case
Note: Raspberry Pi board is not included.
Item Description:
Material: Aluminum alloy
Color: Black
Compatible with: Raspberry Pi 3 Model B ,Raspberry Pi 3 Model B
Features:Passive cooling architecture design can reach perfect heat dissipation.
Features:
Ultra-thin design
Easy to install
Fast Heat dissipation
Silence Fan without noise
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 3 Model B perfectly
Packing List:
Aluminum alloy Case x 1pcs
Assembly screw x 1 set
Thermal silica x 1 set
Screwdriver x 1pcs
Raspberry Pi 4 Case
Note: Raspberry Pi board is not included.
Ultra-thin design
Easy to install
Fast Heat dissipation
Smooth and straight aluminum material
All ports and slots of the case can match with Raspberry Pi 4 Computer Model B perfectly
Open case design, you don't need to worry it will effect wifi signal any more
Reinforced aluminum material, lightweight and durable, long-lasting stainles
We use silicon cooling pad (the thickness is only 0.5mm) to touch the shell body to dissipate heat. You can use the CPU grease to relace the silicon colling pad to get better heat dissipation.
Dual Fan:
Noise: 18dB
Low Power Consumption Design
Dual Cooling Expericnce, More powerful heat dissipation
Very Quiet Cooling Fan, get rid of the fan noisy
All of the Fans were Tested by Our Engineer, Very Nice Quality Control
Update Thermal Tape Can Make Sure Best Heat Conduction Effect
Packing List
1 x armor case for raspberry pi 4 model B(Case with dual fan)
1 x Screws Pack
1 x Wrench

Specification:
Color:As Pictures
Structure:Fixed capacitors
Kinds:Aluminum Electrolytic Capacitors
Quantity:500PCS(10PCS in each type)
Power:1/4W
Size:L*Dia:5*2mm/0.19*0.07\'\'
Resistance:1Ω~10MΩ
Features:
Durable and easy to install
Very convenient and practical
Very popular among the electronic lovers

500pcs 50 values 1/4W 0.25W 1% Metal Film Resistor Assortment Kit
1Ω           7.5Ω         10Ω          22Ω          39Ω
47Ω        68Ω          75Ω         100Ω          130Ω    
150Ω      220Ω         360Ω       470Ω         680Ω
1KΩ        1.2KΩ         1.8KΩ      2.2KΩ        3KΩ
3.6KΩ     3.9KΩ        4.7KΩ      5.6KΩ        6.8KΩ
8.2KΩ     10KΩ         12KΩ        22KΩ         33KΩ
39KΩ      47KΩ         56KΩ       68KΩ        100KΩ
130KΩ    150KΩ       180KΩ        220KΩ      270KΩ
330KΩ    390KΩ      470KΩ      560KΩ       680KΩ
1MΩ       2.7MΩ      3.3MΩ      4.7MΩ       10MΩ
Package include:
500 x 1/4W 50 Values Resistors Set
500 x 1/4W 50 Values Resistors Box

Specification:
Color:As Pictures
Structure:Fixed capacitors
Kinds:Aluminum Electrolytic Capacitors
Quantity:500PCS(10PCS in each type)
Power:1/4W
Size:L*Dia:5*2mm/0.19*0.07\'\'
Resistance:1Ω~10MΩ
Features:
Durable and easy to install
Very convenient and practical
Very popular among the electronic lovers

500pcs 50 values 1/4W 0.25W 1% Metal Film Resistor Assortment Kit
1Ω           7.5Ω         10Ω          22Ω          39Ω
47Ω        68Ω          75Ω         100Ω          130Ω    
150Ω      220Ω         360Ω       470Ω         680Ω
1KΩ        1.2KΩ         1.8KΩ      2.2KΩ        3KΩ
3.6KΩ     3.9KΩ        4.7KΩ      5.6KΩ        6.8KΩ
8.2KΩ     10KΩ         12KΩ        22KΩ         33KΩ
39KΩ      47KΩ         56KΩ       68KΩ        100KΩ
130KΩ    150KΩ       180KΩ        220KΩ      270KΩ
330KΩ    390KΩ      470KΩ      560KΩ       680KΩ
1MΩ       2.7MΩ      3.3MΩ      4.7MΩ       10MΩ
Package include:
500 x 1/4W 50 Values Resistors Set
500 x 1/4W 50 Values Resistors Box

BMP180
Description:
Measuring the absolute pressure of the enviroment using a digital barometer such as this has some interesting applications. By converting the pressure measured into altitude, you have a reliable sensor for determining the height of your robot, plane .
Using a sensor as capable as the BMP180 you can achieve accurary of 1m, with noise of only 17cm in ultra high resolution noise. The device will operate at only 0.3uA meaning low current draw for battery powered applications.
The BMP180 comes fully calibrated and ready to use. As the device operates over I2C we've added optional I2C pull ups that can be enabled using the PU (pull up) jumper on the board for your convenience and ease during breadboarding.
Using I2C, the device provides pressure and temperature as 16bit values, which are used along with calibration data within the device are used to provide a temperature compensated altitude calculation.

Features:

1.8V to 3.6V Supply Voltage
Low power consumption - 0.5uA at 1Hz
I2C interface
Max I2C Speed: 3.5Mhz
Very low noise - up to 0.02hPa (17cm)
Full calibrated
Pressure Range: 300hPa to 1100hPa ( 9000m to -500m)
Weight: 1.18g
Size: 21mm x 18mm

BMP280
has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
This precision sensor is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuracy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy

Typical application:
Enhancement of GPS navigation
e.g.time-to-first-fix improvement,dead-reckoning,slope detection
Indoor navigation(floor detection,elevator detection)
Outdoor navigation,leisure and sports applications
Weather forecast
Health care application(e.g. sirometry)
Vertical velocity indication(e.g. risk/sink speed)
Target devices
Handsets such as mobile phones ,table PCs,GPS devices
Navigation systems
Portable health caredevices
Home weather stations
Flying toys
Watches
PCB size:(L*W)1.52* 1.20cm/0.60"*0.47"

BMP180
Description:
Measuring the absolute pressure of the enviroment using a digital barometer such as this has some interesting applications. By converting the pressure measured into altitude, you have a reliable sensor for determining the height of your robot, plane .
Using a sensor as capable as the BMP180 you can achieve accurary of 1m, with noise of only 17cm in ultra high resolution noise. The device will operate at only 0.3uA meaning low current draw for battery powered applications.
The BMP180 comes fully calibrated and ready to use. As the device operates over I2C we've added optional I2C pull ups that can be enabled using the PU (pull up) jumper on the board for your convenience and ease during breadboarding.
Using I2C, the device provides pressure and temperature as 16bit values, which are used along with calibration data within the device are used to provide a temperature compensated altitude calculation.

Features:

1.8V to 3.6V Supply Voltage
Low power consumption - 0.5uA at 1Hz
I2C interface
Max I2C Speed: 3.5Mhz
Very low noise - up to 0.02hPa (17cm)
Full calibrated
Pressure Range: 300hPa to 1100hPa ( 9000m to -500m)
Weight: 1.18g
Size: 21mm x 18mm

BMP280
has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
This precision sensor is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuracy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy

Typical application:
Enhancement of GPS navigation
e.g.time-to-first-fix improvement,dead-reckoning,slope detection
Indoor navigation(floor detection,elevator detection)
Outdoor navigation,leisure and sports applications
Weather forecast
Health care application(e.g. sirometry)
Vertical velocity indication(e.g. risk/sink speed)
Target devices
Handsets such as mobile phones ,table PCs,GPS devices
Navigation systems
Portable health caredevices
Home weather stations
Flying toys
Watches
PCB size:(L*W)1.52* 1.20cm/0.60"*0.47"