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PL2303HX
 
Features:
Adopt imported controller RS232 TTL,which can stabilize the flash with high speed
500mA self recovery fuse for protection
Two data transmission indicator can monitor data transfer status in real time
Reserve 3.3V and 5V pin interface,easy for the DDWRT of different voltage system that need power
The entire board is coated by high quality transparent heat-shrinkable sleeve,making the PCB in insulation state from outside,
so that the board won\'t burnt down by material short cut.
Electrostatic package,insures the board will not be damaged before use
Support WIN7 system
 
Specifications:
Dimention: about50x15x7mm
Net weight:5g
Package weight:15g
Color:Blue(as the picture shows)
 
 
USB TO TTL CH340G
 
 
Features:
Built-in USB to TTL Transfer chip.
Designed to be used for USB to TTL electronic projects.
TTL interface output, easy to connect to your MCU.
Status LED.
Dual 3.3V and 5V Power output, work with 3.3v and 5v target device.
Size:55mm * 16mm
Server 2008/Win7/Win8 32 bits / 64 bits.
1. support WINDOWS 98/ME/2000/XP/Server 2003/VISTA /
2. 3 V3 and 5V by a short circuit risk selection;
3. not only has the power light PWR, there TXD and RXD indicator, whether the product is easy to learn and intuitive to work in the absence of the instrument in the case;
4. high-quality high-grade yellow pin, pin durable than the black market, beautiful;
5. new original CH340G chips, the chips are recommended official USB to TTL chips will not appear due to different driver / different computer as a result of incompatibilities!
 
CH340 module/ USB switch TTL/ USB transfer RS232/ over PL2303/ downloader/ 9 Brush board STC official download chip. Perfectly compatible with all Series MCU will not be because of the different drivers that would lead to problems like PL2303 can not download the program. Ultra-stable.

 
 
PL2303HX
 
Features:
Adopt imported controller RS232 TTL,which can stabilize the flash with high speed
500mA self recovery fuse for protection
Two data transmission indicator can monitor data transfer status in real time
Reserve 3.3V and 5V pin interface,easy for the DDWRT of different voltage system that need power
The entire board is coated by high quality transparent heat-shrinkable sleeve,making the PCB in insulation state from outside,
so that the board won\'t burnt down by material short cut.
Electrostatic package,insures the board will not be damaged before use
Support WIN7 system
 
Specifications:
Dimention: about50x15x7mm
Net weight:5g
Package weight:15g
Color:Blue(as the picture shows)
 
 
USB TO TTL CH340G
 
 
Features:
Built-in USB to TTL Transfer chip.
Designed to be used for USB to TTL electronic projects.
TTL interface output, easy to connect to your MCU.
Status LED.
Dual 3.3V and 5V Power output, work with 3.3v and 5v target device.
Size:55mm * 16mm
Server 2008/Win7/Win8 32 bits / 64 bits.
1. support WINDOWS 98/ME/2000/XP/Server 2003/VISTA /
2. 3 V3 and 5V by a short circuit risk selection;
3. not only has the power light PWR, there TXD and RXD indicator, whether the product is easy to learn and intuitive to work in the absence of the instrument in the case;
4. high-quality high-grade yellow pin, pin durable than the black market, beautiful;
5. new original CH340G chips, the chips are recommended official USB to TTL chips will not appear due to different driver / different computer as a result of incompatibilities!
 
CH340 module/ USB switch TTL/ USB transfer RS232/ over PL2303/ downloader/ 9 Brush board STC official download chip. Perfectly compatible with all Series MCU will not be because of the different drivers that would lead to problems like PL2303 can not download the program. Ultra-stable.

 
 
Detecting range:
3cm-4M
      
Best in 30 degree angle
      
Electronic brick compatible interface
      
5VDC power supply
      
Breadboard friendly
      
Dual transducer
      
library ready
      
Specification:
      
Working Voltage: 5V (DC)
      
Static current: Less than 2mA.
      
Output signal: Electric frequency signal, high level 5V, low level 0V.
      
Sensor angle: Not more than 15 degrees.
      
Detection distance: 2cm-450cm.
      
High precision: Up to 0.3cm
      
Working tempter:-20C___ 60C
      
Weight: 10g
      
Size: 45x 21mm (L x W)
 
 SR04 Connector 4Pin:
 
   VCC  
 
   Echo
 
   OUT
      
   GND
 
 
      
 SRF05 Connector 5Pin:
      
      VCC
      
      Trig (T)
      
      Echo(R)
      
      OUT
      
      GND
  

 
 
Detecting range:
3cm-4M
      
Best in 30 degree angle
      
Electronic brick compatible interface
      
5VDC power supply
      
Breadboard friendly
      
Dual transducer
      
library ready
      
Specification:
      
Working Voltage: 5V (DC)
      
Static current: Less than 2mA.
      
Output signal: Electric frequency signal, high level 5V, low level 0V.
      
Sensor angle: Not more than 15 degrees.
      
Detection distance: 2cm-450cm.
      
High precision: Up to 0.3cm
      
Working tempter:-20C___ 60C
      
Weight: 10g
      
Size: 45x 21mm (L x W)
 
 SR04 Connector 4Pin:
 
   VCC  
 
   Echo
 
   OUT
      
   GND
 
 
      
 SRF05 Connector 5Pin:
      
      VCC
      
      Trig (T)
      
      Echo(R)
      
      OUT
      
      GND
  

Product Description:
tracing sensors, the robot produced essential
Use infrared light to detect anti-interference ability
Sensors to adopt CTRT5000 high sensitivity, stable performance
Working voltage of 5V, the output of the black line low, white line of high output
Exquisite workmanship, with the indicator
Has a fixed bolt hole for easy installation

Description:
1. This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rotary switch - it internally routes the common pin (COM in the schematic, SIG on the board) to one of 16 channel pins (CHANxx). It works with both digital and analog signals (the voltage can't be higher than VCC), and the connections function in either direction. To control it, connect 4 digital outputs to the chip's address select pins (S0-S3), and send it the binary address of the channel you want (see the datasheet for details). This allows you to connect up to 16 sensors to your system using only 5 pins!
2. Since the mux/demux also works with digital signals, you can use it to pipe TTL-level serial data to or from multiple devices. For example, you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller. You can then select any one of those 16 devices to listen to. If you want two-way communications, you can add a second board to route your microcontroller's TX line to 16 device's RX lines. By using multiple boards, you can create similar arrangements for I2C, SPI, etc.
3. The internal switches are bidirectional, support voltages between ground and VCC, have low “on” resistance and low “off” leakage, and to prevent crosstalk, perform “break-before-make” switching. The board also breaks out the chip's “enable” pin, which when driven high, will completely disconnect the common pin (all switches “off”).
 
Features:
2V to 6V operation
“On” resistance: 70 Ohms @ 4.5V
6ns break-before-make @ 4.5V
Wide operating temperature range: -55C to 125C
Function: gathering all the way ADC 16 analog signals.
Use CD74HC4067 16-channel analog signal switch
Analog Input: C0-C15 16 channels
Analog output: DIG
Channel Control: S0-S3

 
Description
ME-BME280 is a Breakout Board featuring a Bosch Sensortec ME280 Temperature, Humidity & Pressure Sensor. 
The board has selectable I2C address jumper (solder link GS2), I2C pull-up resistors, 7 pin header 2.54mm, and two mounting holes 3.5mm.
Default setting of the board; single power rail Vdd=Vdd_IO (solder link GS1), pull-ups resistors (R2, R3) 10k, protocol selector resistor 0ohm (R1), decoupling capacitors 0.1uF on both power supply pins Vdd & Vdd_IO.
If you connect board to both power rails VDD_IO 1.8V and VDD 3.3V be sure to remove the power rail jumper GS1!
 
BME280 Features
- Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
- Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
- Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V
   VDDIO interface voltage range: 1.2 V to 3.6 V
- Current consumption 1.8 uA @ 1 Hz humidity and temperature
   2.8 uA @ 1 Hz pressure and temperature
   3.6 uA @ 1 Hz humidity, pressure and temperature
   0.1 uA in sleep mode
- Operating range -40… 85 C, 0…100 % rel. humidity, 300…1100 hPa- Humidity sensor and pressure sensor can be independently enabled/disabled
 
 
Bosch 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 from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, 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
 
The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.
 
 
 

 
Description
ME-BME280 is a Breakout Board featuring a Bosch Sensortec ME280 Temperature, Humidity & Pressure Sensor. 
The board has selectable I2C address jumper (solder link GS2), I2C pull-up resistors, 7 pin header 2.54mm, and two mounting holes 3.5mm.
Default setting of the board; single power rail Vdd=Vdd_IO (solder link GS1), pull-ups resistors (R2, R3) 10k, protocol selector resistor 0ohm (R1), decoupling capacitors 0.1uF on both power supply pins Vdd & Vdd_IO.
If you connect board to both power rails VDD_IO 1.8V and VDD 3.3V be sure to remove the power rail jumper GS1!
 
BME280 Features
- Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
- Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
- Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V
   VDDIO interface voltage range: 1.2 V to 3.6 V
- Current consumption 1.8 uA @ 1 Hz humidity and temperature
   2.8 uA @ 1 Hz pressure and temperature
   3.6 uA @ 1 Hz humidity, pressure and temperature
   0.1 uA in sleep mode
- Operating range -40… 85 C, 0…100 % rel. humidity, 300…1100 hPa- Humidity sensor and pressure sensor can be independently enabled/disabled
 
 
Bosch 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 from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, 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
 
The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.
 
 
 

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en

The USB to RS232 module based TTL provides the best and convenient way to connect your RS232 TTL Devices or demo board to your PC via the USB port.
Supports the following Windows OSes:
Windows 98SE
Windows ME
Windows 2000 SP4
Windows XP SP2 and above (32 & 64 bit)
Windows Server 2003 (32 & 64 bit)
Windows Server 2008 / 2008 R2 (32 & 64 bit)
Windows Vista (32 & 64 bit)
Windows 7 (32 & 64 bit)
NOTE: For Windows 7, please use RC build 7100 or above.
 

10Values x20 200pcs Rectifier Diode Schottky Assortment Electronic kit 1N4001~1N4007 1N5817 1N5818 1N5819 With storage Box

Description:
Model: Logic Analyzer Logic 24 m 8CH Host Registration
Length: 8-channel logic analyzer screen
Input voltage DC 7-14 V.
Output voltage: DC 5~5.8 V (adjustable)
Conversion efficiency: 98%
 
Package list:
Logic Logic Analyzer 24 m 8CH Host
USB cable (different colors)
DuPont Cable
 
Characteristic:
1. The logical channel sampling rate is up to 24 m/s. The general application is about 10 meters, which is enough for various purposes.
2. Logic input 8 can be collected. Analyze the signal and sample it as I2C, UART.
3. Logic can sample up to 1 billion, making capture even the most elusive event.

Ethernet Shield  Nano UNO R3, work as ENC28J60 RJ45 Webserver
 
Description
 
100% Brand new
 
With this Ethernet Shield,  Nano board can be used to connect to internet
controller: Microchip's ENC28J60 ethernet  / HR911105A
works as server or client
comes with efficient library and examples
direct plug puzzle board, NO soldering needed

Description
ME-BME280 is a Breakout Board featuring a Bosch Sensortec ME280 Temperature, Humidity & Pressure Sensor. 
The board has selectable I2C address jumper (solder link GS2), I2C pull-up resistors, 7 pin header 2.54mm, and two mounting holes 3.5mm.
Default setting of the board; single power rail Vdd=Vdd_IO (solder link GS1), pull-ups resistors (R2, R3) 10k, protocol selector resistor 0ohm (R1), decoupling capacitors 0.1uF on both power supply pins Vdd & Vdd_IO.
If you connect board to both power rails VDD_IO 1.8V and VDD 3.3V be sure to remove the power rail jumper GS1!
 
BME280 Features
- Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
- Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
- Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V
   VDDIO interface voltage range: 1.2 V to 3.6 V
- Current consumption 1.8 uA @ 1 Hz humidity and temperature
   2.8 uA @ 1 Hz pressure and temperature
   3.6 uA @ 1 Hz humidity, pressure and temperature
   0.1 uA in sleep mode
- Operating range -40… 85 C, 0…100 % rel. humidity, 300…1100 hPa- Humidity sensor and pressure sensor can be independently enabled/disabled
 
 
Bosch 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 from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, 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
 
The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.
 
 

3296W-1-100   (10R)
3296W-1-500  (50R)
3296W-1-101 (100R)
3296W-1-201 (200R)
3296W-1-501 (500R)
3296W-1-102 (1K)
3296W-1-202 (2K)
3296W-1-502 (5K)
3296W-1-103 (10K)
3296W-1-203 (20K)
3296W-1-503 (50K)
3296W-1-104 (100K)
3296W-1-204 (200K)
3296W-1-504 (500K)
3296W-1-105 (1M)
3296W-1-205 (2M)

LM317T L7805 L7806 L7808 L7809 L7810 L7812 L7815 L7818 L7824 Each 5 pieces
 

 
Description:
Dimension: 3.2cm x 2.4cm x 1.8cm (approx)
Infrared sensor with control circuit board
The sensitivity and holding time can be adjusted
Working Voltage Range: DC 4.5V- 20V
Current drain:<60uA 
Voltage Output: High/Low level signal:3.3V TTL output
Detection distance: 3--7M(can be adjusted)
Detection range: <140°
Delay time: 5-200S(can be adjusted, default 5s -3% )
Blockade time: 2.5 S (default)
Trigger: L: Non-repeatable trigger H: Repeat Trigger (default)
Work temperature:-20- 80°C
Trigger Method: L unrepeatable trigger / H repeatable trigger

be used for multimeter, converted to lithium battery charging
For example: VIN Port input 5V solar panels, BAT port can output 4.2V to charger 3.7V 18650 battery
Note: The OUT Port can output an adjustable voltage.
 
Specifications:
Input voltage: 4.5-8V DC
Output voltage: 4.3-27V DC (Continuously adjustable)
Charging voltage: 4.2V DC
Charging current: Max. 1A
Discharging current: Max. 2A
Size: 3.3x2.3cm/1.3x0.91"

Features for 1602 LCD:
 
 
LCD display module with blue blacklight.
 
 
 
Wide viewing angle and high contrast.
 
 
 
Built-in industry standard HD44780 equivalent LCD controller.
 
 
 
Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and
 
 
 
storage devices.
 
 
 
LCM type: Characters
 
 
 
Can display 2-lines X 16-characters.
 
 
 
Voltage: 5V DC.
 
 
 
Module dimension: 80mm x 35mm x 11mm.
 
 
 
Viewing area size: 64.5mm x 16mm
 
 
Features IIC/I2C :
 
Arduino 1602 I2C interface 4-wire 1602 screen
 
IO port of Arduino control board is only 20,so IO ports is not enough for many sensor, SD card, relay modules.
 
The original 1602 screen need 7 IO ports to drive up, and this module can save 5 IO ports
 

Features for 1602 LCD:
 
 
LCD display module with blue blacklight.
 
 
 
Wide viewing angle and high contrast.
 
 
 
Built-in industry standard HD44780 equivalent LCD controller.
 
 
 
Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and
 
 
 
storage devices.
 
 
 
LCM type: Characters
 
 
 
Can display 2-lines X 16-characters.
 
 
 
Voltage: 5V DC.
 
 
 
Module dimension: 80mm x 35mm x 11mm.
 
 
 
Viewing area size: 64.5mm x 16mm
 
 
Features IIC/I2C :
 
Arduino 1602 I2C interface 4-wire 1602 screen
 
IO port of Arduino control board is only 20,so IO ports is not enough for many sensor, SD card, relay modules.
 
The original 1602 screen need 7 IO ports to drive up, and this module can save 5 IO ports
 

Features for 1602 LCD:
 
 
LCD display module with blue blacklight.
 
 
 
Wide viewing angle and high contrast.
 
 
 
Built-in industry standard HD44780 equivalent LCD controller.
 
 
 
Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and
 
 
 
storage devices.
 
 
 
LCM type: Characters
 
 
 
Can display 2-lines X 16-characters.
 
 
 
Voltage: 5V DC.
 
 
 
Module dimension: 80mm x 35mm x 11mm.
 
 
 
Viewing area size: 64.5mm x 16mm
 
 
Features IIC/I2C :
 
Arduino 1602 I2C interface 4-wire 1602 screen
 
IO port of Arduino control board is only 20,so IO ports is not enough for many sensor, SD card, relay modules.
 
The original 1602 screen need 7 IO ports to drive up, and this module can save 5 IO ports
 

Features for 1602 LCD:
 
 
LCD display module with blue blacklight.
 
 
 
Wide viewing angle and high contrast.
 
 
 
Built-in industry standard HD44780 equivalent LCD controller.
 
 
 
Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and
 
 
 
storage devices.
 
 
 
LCM type: Characters
 
 
 
Can display 2-lines X 16-characters.
 
 
 
Voltage: 5V DC.
 
 
 
Module dimension: 80mm x 35mm x 11mm.
 
 
 
Viewing area size: 64.5mm x 16mm
 
 
Features IIC/I2C :
 
Arduino 1602 I2C interface 4-wire 1602 screen
 
IO port of Arduino control board is only 20,so IO ports is not enough for many sensor, SD card, relay modules.
 
The original 1602 screen need 7 IO ports to drive up, and this module can save 5 IO ports
 

Features for 1602 LCD:
 
 
LCD display module with blue blacklight.
 
 
 
Wide viewing angle and high contrast.
 
 
 
Built-in industry standard HD44780 equivalent LCD controller.
 
 
 
Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and
 
 
 
storage devices.
 
 
 
LCM type: Characters
 
 
 
Can display 2-lines X 16-characters.
 
 
 
Voltage: 5V DC.
 
 
 
Module dimension: 80mm x 35mm x 11mm.
 
 
 
Viewing area size: 64.5mm x 16mm
 
 
Features IIC/I2C :
 
Arduino 1602 I2C interface 4-wire 1602 screen
 
IO port of Arduino control board is only 20,so IO ports is not enough for many sensor, SD card, relay modules.
 
The original 1602 screen need 7 IO ports to drive up, and this module can save 5 IO ports
 

Features:
 
 
 
With a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current.
 
The efficiency can be up to 96% , measured at 20A, converting 24V to 12V.
 
It is designed with 75V/80A large current dual MOS tube.
 
Input and output use high frequency low resistance electrolytic capacitor, low ripple, stable output.
 
Wiring is convenient with these large current 30A screw terminals.
 
The buck module has 2 heat sink that could enhance heat dissipation.
 
When there is a big difference between input and output voltage, please decrease power and current.
 
 
 
 
Specifications:
 
 
 
Input Voltage: 6V to 40V DC(10V to 40V is suggested)
 
Output Voltage: 1.2V to 36V DC
 
Output Current: 20A(max.), 15A(suggested)
 
Efficiency: 95% (24V to 12V, 20A)
 
Output Ripple: ≤50mV
 
Wiring Method: Terminal
 
Short Circuit Protection: Self-recovery(cannot short circuit for long time)
 
Size: 60 x 53 x 27mm / 2.36 x 2.08 x 1.06"
 
 
 
VO : Output positive
VO-: Output negative
IN: Input positive 
-IN: Input negative
CV: Output voltage adjustment
CC: Output current adjustment
EN: Enable, low voltage level shut off output; suspension, high voltage level is effective
When input and output is common grounded, no-load CV output constant voltage,CC output constant current

DRV8833 2 Channel DC Motor Driver Module Board 1.5A 3V-10V

 
Mini USB ATmega32U4 Pro Micro 5V 16MHz Board Module For Leonardo ATMega 32U4 Controller Pro-Micro Replace Pro Mini For Arduino
 
Description:
The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface.
This tiny little board does all of the neat-o For Arduino tricks that you're familiar with: 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx. Running at 16MHz and 5V, this board will remind you a lot of your other favorite For Arduino-compatible boards but this little guy can go just about anywhere. There is a voltage regulator on board so it can accept voltage up to 12VDC. If you're supplying unregulated power to the board, be sure to connect to the \"RAW\" pin on not VCC.
This latest revision corrects the silk error from the last version of the board so that pin 14 is correctly labeled. We've also added a PTC fuse and diode protection to the power circuit and corrected the RX and TX LED circuit.
 
Features:
ATMega 32U4 running at 5V/16MHz
Supported under for Arduino IDE v1.0.1
On-Board micro-USB connector for programming
4 x 10-bit ADC pins
12 x Digital I/Os (5 are PWM capable)
Rx and Tx Hardware Serial Connections
 
 

Power supply mode:3.3V external power supply, current should be more than 200mA;
   Control interface:The TTL level, 3.3V SPI interface;
   PCB size:23 * 25 mm;
   Mechanical Dimensions:28.5 * 23 * 24;
 
 
   USR-ES1 is the Ethernet module of a SPI interface, interface is TTL level of 3.3V, power supply voltage of 3.3V, please ensure that the current is not less than 200mA, voltage is continuous and stable 3.3V.
 
High speed SPI interface 80MHz
Hardware-TCPIP-protocol stack user built in, almost without understanding the complex network protocol knowledge
Supports up to 8 Socket
Support TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocol
Integration of the data link layer, physical layer
Support the wakeup
Support high speed serial peripheral interface (SPI model 0, 3)
Internal 32K bytes receive buffer
The embedded 10BaseT/100BaseTX Ethernet physical layer (PHY)
Support auto negotiation (10/100-Based full duplex or half duplex)
Does not support the IP patch
The working voltage of 3.3V, I/O and 5V voltage signal
LED display (full duplex or half duplex, network connection, network speed,active)
Pin type package ultra small, convenient for embedded applications
Application of C sample project
 

3 * 4 * 2.5 = 25PCS
3 * 4 * 2.5 = 25PCS
3 * 6 * 4.3 = 25PCS
3 * 6 * 5 = 25PCS
3 * 4 * 2 = 25PCS
3 * 4 * 2 = 25PCS
4 * 4 * 1.5 = 25PCS
4 * 4 * 0.8 = 25PCS
3 * 6 * 2.5 = 25PCS
6 * 6 * 3.1 = 25PCS
Plastic box=1pcs

Product Discription
 
Pluggable development board ATtiny13A/ATtiny25 programmer /ATtiny45/ATtiny85 programming
Development of programming board /ATtiny45/ATtiny85 ATtiny13A/ATtiny25 can plug the development board
Convenient and fast programming
Development board support chip /ATtiny45/ATtiny85 ATtiny13A/ATtiny25, etc.

Products:
 
XH-M125 Singing machine amplifier XPT8871 single track amplifier board lithium battery board 6W
Size:20mm*16mm*8mm
Voltage: DC 3-5V
Power: stereo mono 5W
Feature: Anti-jamming, high quality, low power consumption

Bms 7S Li-ion Lithium 18650 Battery Protection Board 24V 20A Battery Balancer With Matching Cable Automatic Protection Function
 
100% brand new and high quality   
 
Material: Electrical components   
 
Color: See pictures   
 
Equilibrium current: 80 mA(VCELL=4.20V)   
 
Supported battery type: 7 cells 4.2V Lithium ion battery   
 
Balancing the locus of control: 4.18±0.03 V   
 
Overcharge threshold: 4.3±0.05 V   
 
Overcharge time delay: 75mS   
 
Overcharge release: 4.1±0.05 V   
 
Discharge threshold: 2.4±0.08 V   
 
Discharge delay: 5mS   
 
Working current: 20 A   
 
Over current threshold: 30 A   
 
Static power: ＜500uA   
 
Overcharge protection function:Yes   
 
Discharge protection function:Yes   
 
Over current protection function:Yes   
 
Balanced protection function:Yes   
 
Over-current release: Disconnect the load release   
 
Short circuit protection function: Yes(Disconnect the load can be recovery.)
 
Feature:
 
This Lithium ion battery protection PCB protect single Lithium ion batteries.20A continous current.   
 
Suitable for electric drills,motors,or aircraft models which require heavy current load.   
 
Size: See the picture   
 
No retail package   

 Glass　Length  14mm
  Glass　Diameter  2mm
  Total　Length  45mm
 Contact Form  A
 Max. Switching Voltage 300 VDC
 Min. Breakdown Voltage 150 VDC
 Max. Contact Rating  10W
 Max. Switching Current  0.55 A
 Max. Operate time  0.45 ms
 Bounce time  0.25 ms
 Max. Release time  0.35 ms
 Resonant Frequency  5000 HZ
 Max. Operating Frequency  400 HZ
 Pull in Value   20-70 AT
 Min. Drop out Value  4 AT
 Max. Contact Capacitance  0.5 pF
 Electrical Life  50mV-10μA-1x106

8232 AD8232 Ecg physiological measurement Ecg Physiological Measurement Heart Pulse Ecg Monitor Sensor Module
Application:
- Fitness and sports heart rate monitoring
- Portable ECG
- Remote health monitor
- Game peripheral equipment
- Bioelectricity signal collection
Specification:
- AD8232 adopts double poles high-pass filter to eliminate the motion artifacts and electrode half cell potential
- AD8232 adopts an operational amplifier that is without using constraint to build a three pole low pass filter, eliminating extra noises
- Rated temp range : 0----70degree
- Working temp range: -40-----85degree

 
2.8 inch OLED LCD module 
 
Note:
1 This OLED has Serial interface and Paralle interface (please chooes and remark when buying)
 
2 This OLED has 3.3V and 5V (please chooes and remark when buying)
 
2-11. Color depth: support 16 gray levels

 
2.8 inch OLED LCD module 
 
Note:
1 This OLED has Serial interface and Paralle interface (please chooes and remark when buying)
 
2 This OLED has 3.3V and 5V (please chooes and remark when buying)
 
2-11. Color depth: support 16 gray levels

 
2.8 inch OLED LCD module 
 
Note:
1 This OLED has Serial interface and Paralle interface (please chooes and remark when buying)
 
2 This OLED has 3.3V and 5V (please chooes and remark when buying)
 
2-11. Color depth: support 16 gray levels

Free shipping  B0505S-1W 5V to 5V converter DC DC power module converter 1000VDC Isolation
 
Features:
 
It is of high power density, high efficiency, high-reliability, small size and lightweight.
It can isolate unsteady single-way voltage output.
Low ripple coefficient and low static current can promote your work efficiently.
Applicable to distributed power supply system and the circuit that is powered by a small power source.Such as industrial control industry, instrumentation industry, intelligent transmitter, sensor, network communication equipment and other fields.
 
Specification:
 
Current Conversion: DC to DC
Output voltage:DC 5V
Output Current:20~200mA
Reflected Ripple Current:20mA
The Maximum Capacitive Load:220μF
Input voltage 4.5-5.5V
Rated Output Power: 1W
Color: Black

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en

roduct Parameters
Module using chip: TXS0108E
High-speed full-duplex 8-channel level conversion module
Provide two-way communication capabilities
VCCA terminal support voltage: 1.2V-3.6V
VCCB terminal support voltage: 1.65v-5.5v
Common level shifting capabilities such as 3.3-5V, 1.8-3.3v, etc.
Main applications, 5V microcontroller and 3.3V module, 3.3V microcontroller and 5V module, etc.
Level conversion of single chip and SD card communication
MCU and iic, spi serial device level shifting
OE enable IO is active high, it is recommended to connect IO port on low voltage side

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. With the Arduino 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 arduino 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 ARDUINO 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. Arduino 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.
 
Tutorial:
 
In the introduction of how to use, we first look at how it works, which we use it very helpful, there is a function of the following diagram:
 
 
 
    In fact, this module is a potentiometer, x, y-dimensional data output port is read out the analog voltage. This figure does not draw the above z-dimensional data output, z-dimensional output only 0 and 1, can be achieved by a button. All in all, it is a combination of potentiometer and button. In the Arduino use it, x, y dimension we received two analog ports to read their values, while the z-dimensional we are connected to the digital port, connected to the power and ground.
 
test program:
 
Int JoyStick_X = 0; // x
 
Int JoyStick_Y = 1; // y
 
Int JoyStick_Z = 3; // key
 
Void setup () {pinMode (JoyStick_X, INPUT);
 
 PinMode (JoyStick_Y, INPUT);
 
PinMode (JoyStick_Z, INPUT);
 
Serial.begin (9600); // 9600 bps}
 
Y = analogRead (JoyStick_Y); z = digitalRead (JoyStick_Z); void loop () {int x, y, z;
 
Serial.print (x, DEC); Serial.print ( ",");
 
Serial.print (y, DEC); Serial.print ( ",");
 
Serial.println (z, DEC);

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here : www.17track.net/en