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100pcs 1/4W 10ohm-1M 1% Metal Film Resistor

100pcs 1/4W 10ohm-1M 1% Metal Film Resistor

100pcs 1/4W 10ohm-1M 1% Metal Film Resistor

100pcs 1/4W 10ohm-1M 1% Metal Film Resistor

100pcs 1/4W 10ohm-1M 1% Metal Film Resistor

100pcs 1/4W 10ohm-1M 1% Metal Film Resistor

100pcs 1/4W 10ohm-1M 1% Metal Film Resistor

Module Description:
1, original CP2102 chip, generate the COM after install the driver.
2, standard MICRO MINI - USB line input by computer USB interface, with 3.3 V and 5 V voltage output power
3, with self recovery fuse.In the case of accidental short circuit, which can effectively protect your downloader and computer USB port
4 send and receive, onboard status indicator lights, lights, right after install the driver state will normally on lights, transceiver indicator light will flash, when communication with LED lights.
5, support from 300 BPS baud rate between ~ 1 MBPS
6, communication format support: 1) 5,6,7,8 bits of data;2) support 1,1.5, 2 stop bits.3) odd, even, mark, space, none
7, support operating system: Windows vista/xp / 98/8.1/7, Mac OS X/OS - 9, Linux
8, USB interface for MICRO MINI USB
9, SMD components welding for formal company, stable quality, beautiful appearance
10, with DTR trigger signal output, can be directly to the arduino pro mini ATMEGA328P arduino mainboard download program communication, etc.
11, module size: 16 mm * 20 mm super small.

Features:
1. The embedded USB transceiver, without external circuit
2. It contains the clock circuit, without an external circuit
3. Reset circuit embedded on electricity
4. Output voltage regulation can be within 3.3 V voltage
5. Accord with the requirement of USB2.0 specification
6. SUSPEND pin support USB state hung
7. Asynchronous serial data bus controller interface compatible with all shake hands and modulation signal
8. Support data format for the data of 8, 1, 2, and stop bit parity bit
9. The connotation of the 512 - byte receive buffer and 512 words

Description
Used for various vibration trigger functions, theft alarm, smart car, earthquake alarm, motorcycle alarm, etc.
Compared with the normally open type vibration sensor module, this module has a longer vibration trigger time and can drive the relay module
Module features:
1. Adopt the SW-420 normally closed vibration sensor produced by our company.
2. Comparator output, clean signal, good waveform, strong driving ability, more than 15mA
3. Working voltage 3.3V-5V
4. Output form: digital switch output (0 and 1)
5. Equipped with fixing bolt holes for easy installation
6. Small board PCB size: 3.2cm x 1.4cm
7. Use wide voltage LM393 comparator
Module instructions:
1. When the product is not vibrating, the vibrating switch is closed and conducting, the output terminal outputs low level, and the green indicator light is on;
2. When the product vibrates, the vibration switch is turned off instantly, the output terminal outputs a high level, and the green indicator light is off;
3. The output terminal can be directly connected to the single-chip microcomputer, through the single-chip microcomputer to detect high and low levels, thereby detecting whether there is vibration in the environment, and acting as an alarm

Operation instructions
After switching on the power supply, the blue indicator flashes and enters the Bluetooth mode; after broadcasting the "prompt sound", it enters the matching mode and waits for matching; after broadcasting the "prompt sound", the mobile Bluetooth searches for "XY-WRBT" (the name of the power amplifier board device), clicks on the "XY-WRBT" connection, and plays the "prompt sound" after the connection is successful, and when the indicator light is long, the mobile music can be played. When playing music, the indicator light flickers slowly; after Bluetooth disconnects, the amplifier board prepares for the next pairing, and plays the "prompt tone" and enters the pairing mode to wait for the pairing.
Cautions for Power Supply with 3.7V Lithium Battery
1. When powered by batteries, the battery voltage is less than 3.3V decoder board automatically shuts down, and the contacts are switched on/off for 2 seconds after re-energizing or full charging.
2. When using batteries to supply power, if the voltage of batteries is too low, there may be "nourishing" noise. In this case, the batteries need to be charged.
3. Because there is no charge protection circuit for lithium batteries on decoder board, it is recommended to use lithium batteries with protection board.
4. If your rechargeable battery supports Micro USB charging directly, you can use Micro USB charging directly to the battery.

Operation instructions
After switching on the power supply, the blue indicator flashes and enters the Bluetooth mode; after broadcasting the "prompt sound", it enters the matching mode and waits for matching; after broadcasting the "prompt sound", the mobile Bluetooth searches for "XY-WRBT" (the name of the power amplifier board device), clicks on the "XY-WRBT" connection, and plays the "prompt sound" after the connection is successful, and when the indicator light is long, the mobile music can be played. When playing music, the indicator light flickers slowly; after Bluetooth disconnects, the amplifier board prepares for the next pairing, and plays the "prompt tone" and enters the pairing mode to wait for the pairing.
Cautions for Power Supply with 3.7V Lithium Battery
1. When powered by batteries, the battery voltage is less than 3.3V decoder board automatically shuts down, and the contacts are switched on/off for 2 seconds after re-energizing or full charging.
2. When using batteries to supply power, if the voltage of batteries is too low, there may be "nourishing" noise. In this case, the batteries need to be charged.
3. Because there is no charge protection circuit for lithium batteries on decoder board, it is recommended to use lithium batteries with protection board.
4. If your rechargeable battery supports Micro USB charging directly, you can use Micro USB charging directly to the battery.

Product Discription:
multi-channel transceiver @ 868MHz
support FSK, GFSK, ASK / OOK and MSK
configurable data rate: 1.2k to 500kps
independent 64-byte RX and TX data FIFOs
support radio wake
supports automatic clear channel assessment
efficient SPI Interface
low power supply (1.8V-3.6 V)

Introduction
2004 20X4 Character LCD Display Module Blue/Yellow Green Backlight.
Condition: brand new
Blue/Yellow Green backlight
Fully assembled and tested Serial LCD 20x4 Module
Display Format: 20 Characters x 4 lines
Supply voltage: 5V
The module can be easily interfaced with a MCU
The module is a low-power consumption character LCD Module with a built-in controller

Introduction
2004 20X4 Character LCD Display Module Blue/Yellow Green Backlight.
Condition: brand new
Blue/Yellow Green backlight
Fully assembled and tested Serial LCD 20x4 Module
Display Format: 20 Characters x 4 lines
Supply voltage: 5V
The module can be easily interfaced with a MCU
The module is a low-power consumption character LCD Module with a built-in controller

Introduction
2004 20X4 Character LCD Display Module Blue/Yellow Green Backlight.
Condition: brand new
Blue/Yellow Green backlight
Fully assembled and tested Serial LCD 20x4 Module
Display Format: 20 Characters x 4 lines
Supply voltage: 5V
The module can be easily interfaced with a MCU
The module is a low-power consumption character LCD Module with a built-in controller

Introduction
2004 20X4 Character LCD Display Module Blue/Yellow Green Backlight.
Condition: brand new
Blue/Yellow Green backlight
Fully assembled and tested Serial LCD 20x4 Module
Display Format: 20 Characters x 4 lines
Supply voltage: 5V
The module can be easily interfaced with a MCU
The module is a low-power consumption character LCD Module with a built-in controller

Note: This product is a DIY product, without welding
This circuit is composed of 16 pcs LED (light emitting diode). The 16pcs LED divided into four groups, and each group has different flashing frequencies, when four groups flash together, this item looks like a small Christmas tree. The circuit is powered by a 9V battery. Advantages: This circuit is simple and practical, low power consumption.It uses integrated circuits for driving: fewer parts,and the line is simple and easy to understand. External Wiring Kit: With pluggable plug for easy replacement of parts at any time and conducive circuit debugging. Also allows us to deepen our understanding of the principles of the circuit in the debugging process. This line is in the form of the oscillation circuit by the cycle generated by the following principles: - after the first charge, the capacitor C1 & C4 charging is complete. - capacitors C2 & C3 will continue to charge. - when the transistor Q1 & Q4 is turned on at the same time, it discharges the capacitor C1 & C4. - capacitors C2 & C3 is fully charged, the transistor Q1 & Q4 will be closure, while also charging the capacitor C1 & C4 again. - transistors Q2 & Q3 is turned on while the capacitor C2 & C3 will be discharged. - By analogy, the flash of speed is the oscillation frequency, and the frequency is determined by the resistor R & capacitance C values. - Board Size:70mm*110mm

Note: This product is a DIY product, without welding
This circuit is composed of 16 pcs LED (light emitting diode). The 16pcs LED divided into four groups, and each group has different flashing frequencies, when four groups flash together, this item looks like a small Christmas tree. The circuit is powered by a 9V battery. Advantages: This circuit is simple and practical, low power consumption.It uses integrated circuits for driving: fewer parts,and the line is simple and easy to understand. External Wiring Kit: With pluggable plug for easy replacement of parts at any time and conducive circuit debugging. Also allows us to deepen our understanding of the principles of the circuit in the debugging process. This line is in the form of the oscillation circuit by the cycle generated by the following principles: - after the first charge, the capacitor C1 & C4 charging is complete. - capacitors C2 & C3 will continue to charge. - when the transistor Q1 & Q4 is turned on at the same time, it discharges the capacitor C1 & C4. - capacitors C2 & C3 is fully charged, the transistor Q1 & Q4 will be closure, while also charging the capacitor C1 & C4 again. - transistors Q2 & Q3 is turned on while the capacitor C2 & C3 will be discharged. - By analogy, the flash of speed is the oscillation frequency, and the frequency is determined by the resistor R & capacitance C values. - Board Size:70mm*110mm

Introduction
2004 20*4 20X4 Character LCD Display Module
Condition: brand new
Blue/Yellow Green/White backlight
Fully assembled and tested Serial LCD 20x4 Module
Display Format: 20 Characters x 4 lines
Supply voltage: 5V

Introduction
2004 20*4 20X4 Character LCD Display Module
Condition: brand new
Blue/Yellow Green/White backlight
Fully assembled and tested Serial LCD 20x4 Module
Display Format: 20 Characters x 4 lines
Supply voltage: 5V

Introduction
2004 20*4 20X4 Character LCD Display Module
Condition: brand new
Blue/Yellow Green/White backlight
Fully assembled and tested Serial LCD 20x4 Module
Display Format: 20 Characters x 4 lines
Supply voltage: 5V

Product Description
100% brand new and high quality.
Material:plastic and metal
Type:Pir Switch.
Easy to install and simple to use.
Adjust the light soft and stable, no flickering.
Mainly use to control LED light lamps and LED Strip.
You can conveniently to let the light auto on/off .The switch can detect human body's infrared , and use infrared to control the load.
Users according to actual needs, the human body sensors installed in the appropriate environment.
Applications:Incandescent lamp, energy-saving lamps, LED lamp, fluorescent lamp and other kinds of loads
Specifications:
Induction distance: 5 ~ 8 M
Induction angle: 120 degrees
Working temperature: -20-60 °
Input: 12-24V
Output current: 8A
Static power consumption: <1W
Output power: 12V: <96W, 24V: <192 W
Delay Time: 60-120 ms
Color: Black/White

Description:
The SSM2167 is a low-voltage, low-noise mono microphone preamplifier, ideal for low-power audio signal chains. This preamplifier includes a built-in compression and noise gate. For this function, it is better than using an op amp in the preamplifier circuit. The dynamic range of the compressed microphone signal reduces the peak signal level and adds additional gain to the low level signal. The noise gate attenuates the signal level below a certain threshold,in order to amplify only the desired signal, such as speech, and reduce the noise in the output signal. These features will help improve the clarity of the voice signal received by the microphone.
Working Voltage:DC 3V-5V
Size:2.2x1.5cm/0.87x0.59inch
Package included:
1x SSM2167 Microphone Preamplifier Board

Description
The GPRS Shield is based on SIM900 module from SIMCOM and compatible with and its clones. The GPRS Shield provides you a way to communicate using the GSM cell phone network. The shield allows you to achieve SMS, MMS, GPRS and Audio via UART by sending AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module(They are all 2V8 logic) present onboard.
Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world.
GPRS multi-slot class 10/8
GPRS mobile station class B
Compliant to GSM phase 2/2
Class 4 (2 W @ 850 / 900 MHz)
Class 1 (1 W @ 1800 / 1900MHz)
Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands.
Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).
Embedded TCP/UDP stack - allows you to upload data to a web server.
RTC supported.
Selectable serial port.
Speaker and Headphone jacks
Low power consumption - 1.5mA(sleep mode)
Industrial Temperature Range - -40°C to 85 °C
Size:8.5x5.7x2cm(approx)

Description
1. Onboard TCS3200 color sensor
2. Support 3V-5V voltage input
3. All the pins of the chip have been led out, and the pins are standard 100mil (2.54mm), which is convenient for dot matrix board
4. PCB size: 31.6(mm)x24.4(mm)

Product Description
Input voltage: 9-12V, can be started with 9V battery, but if there is an arc, the working voltage needs 12V.
PCB board size: 4CM*3.1CM

DIY Kits Included:

1 x PCB board
1 x Coil
1 x 3MM LED Blue
1 x DC005 seat
1 x 105 monolithic capacitor
1 x 8*8 self-locking switch
1 x 10K resistor
1 x 15*10*20 small heat sink
1 x 3*6 screw
1 x BD243
1 x Bubble
3 x M2*4 screw
3 x M2*7 double pass copper column

Tesla coils produce high-temperature and high-pressure plasmas, can ignite, wirelessly transmit electricity, illuminate fluorescent lamps, and have wonderful arcs. There are many fun and very interesting scientific experiments. Tesla Coil is a transformer that operates on the principle of resonance (resonance transformer)

Product Description
Input voltage: 9-12V, can be started with 9V battery, but if there is an arc, the working voltage needs 12V.
PCB board size: 4CM*3.1CM

DIY Kits Included:

1 x PCB board
1 x Coil
1 x 3MM LED Blue
1 x DC005 seat
1 x 105 monolithic capacitor
1 x 8*8 self-locking switch
1 x 10K resistor
1 x 15*10*20 small heat sink
1 x 3*6 screw
1 x BD243
1 x Bubble
3 x M2*4 screw
3 x M2*7 double pass copper column

Tesla coils produce high-temperature and high-pressure plasmas, can ignite, wirelessly transmit electricity, illuminate fluorescent lamps, and have wonderful arcs. There are many fun and very interesting scientific experiments. Tesla Coil is a transformer that operates on the principle of resonance (resonance transformer)

Description
Mini PCM2704 USB sound card/DAC decoder board, size: 12*49MM (including terminal)
USB power supply, analog output. Plug directly into the USB port of the computer, eliminating the need for wiring
The main chip adopts BB's HIFI-level PCM2704 USB decoding chip. Its performance is better than the commonly used low-end chip CM102S series in the market. The power supply is USB power supply. The output end can be directly connected to earphones or as a pre-stage. The digital output can be more The advanced DAC decoder provides SPDIF digital signals to get better sound quality. Because it is an external sound card, it avoids serious electromagnetic interference in the chassis, and the signal-to-noise ratio and sound quality are improved.
PCM2704 is a single-chip digital-to-analog conversion chip. It has two digital-to-analog conversion output channels and an integrated USB interface controller. The interface complies with the USB1.1 standard. PCM2704 can receive 16-bit stereo or mono audio data with 48KHz, 44KHz and 32KHz sampling rates. The chip has integrated software volume and mute functions, which can simultaneously adjust the computer's volume and mute.
PCM2704 parameters:
Power supply voltage: 5 V (USB power supply),
Distortion: THD N: 0.006% (RL> 10 kΩ)
Distortion: THD N: 0.025% (RL = 32 Ω)
Signal to noise ratio: 98 dB
Dynamic range: 98 dB
Headphone output power: 12 mW (RL = 32 Ω)

USB supports sampling rate: 16BIT/32-48KHZ

Basic parameters
The output voltage can be set to 5V/8V/9V/12V, the default is 12V
Input voltage range: 2.5V~VOUT-0.5V
Output performance: Take 3.7V lithium battery input as an example, it can output 5V1.2A, 8V0.7A, 9V0.6A, 12V0.5A. Make sure that the input current and output current do not exceed 1.5A.
Voltage setting description
The front side of the PCB can be seen with the words A and B. The output voltage can be changed by using the soldering iron to change the pad on and off. In the following table, 0 means the pad is disconnected and 1 means the pad is connected.
A B VOUT
0 0 5V
0 1 8V
1 0 9V
1 1 12V
The pad next to the LED indicator can also be turned off to turn off the indicator.
Product size: 22 × 11 × 3.6mm

Description
Module features are as follows:
1. Display common anode for the four red LED
2. Digital tube 8 gray adjustable
3. Level control interface for 5V or 3.3V
4. Size:42X24X12mm

Product Description
Passive Buzzer Module car liquidificador ultrasonic Analog sensor acs712 load cell cx 31 vw Hc-sr501
Now there are a lot of people to the concept of passive and active buzzer buzzer is not very clear, do a simple introduction here, hope to help everyone to use in the future.
Note that in this case, the "source" is not the power supply. It is the volatile source.
The characteristics of the passive buzzer is:
1: passive internal without shock source, so if use dc signal can't make it. Must use 2 k ~ 5 k square wave to drive it
For more than 2 sound frequency control, can make "m hair sola west" effect.
3 in some particular case, can reuse and LED a control
The characteristics of the active buzzer is:
1 active buzzer inside with shock source, so as long as the electricity will call
2 program control convenient, single chip microcomputer a high and low level can make the sound, and the passive buzzer is can't do.
1 module driven by 9012 triode
2 working voltage of 3.3 V to 5 V
6 sets of fixed bolt hole, convenient installation
7 small board PCB size: 3.3 cm * 1.3 cm
2 module interface specification (3 wire system)
1 VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V microcontroller and 3.3 V microcontroller)
2 GND external GND
3 I/O external microcontroller IO port

Introduction
400 tie point breadboard, high quality for use.
Ideal for high frequency and low noise circuits.
Interconnect any components with 20-29 AWG (0.3-0.8) wire.
1 terminal strip, tie-point 300; 2 distribution strips, tie-point 100.
Color: White/Transparent
Material: PCB
Points Quantity: 400
Item Size: 8.1 * 5.4 * 0.9cm / 3.2 * 2.12 * 0.35in (L * W * H)

Introduction
400 tie point breadboard, high quality for use.
Ideal for high frequency and low noise circuits.
Interconnect any components with 20-29 AWG (0.3-0.8) wire.
1 terminal strip, tie-point 300; 2 distribution strips, tie-point 100.
Color: White/Transparent
Material: PCB
Points Quantity: 400
Item Size: 8.1 * 5.4 * 0.9cm / 3.2 * 2.12 * 0.35in (L * W * H)

Introduction
400 tie point breadboard, high quality for use.
Ideal for high frequency and low noise circuits.
Interconnect any components with 20-29 AWG (0.3-0.8) wire.
1 terminal strip, tie-point 300; 2 distribution strips, tie-point 100.
Color: White/Transparent
Material: PCB
Points Quantity: 400
Item Size: 8.1 * 5.4 * 0.9cm / 3.2 * 2.12 * 0.35in (L * W * H)

Introduction
400 tie point breadboard, high quality for use.
Ideal for high frequency and low noise circuits.
Interconnect any components with 20-29 AWG (0.3-0.8) wire.
1 terminal strip, tie-point 300; 2 distribution strips, tie-point 100.
Color: White/Transparent
Material: PCB
Points Quantity: 400
Item Size: 8.1 * 5.4 * 0.9cm / 3.2 * 2.12 * 0.35in (L * W * H)

Product Description
1. Signal voltage at the drive end: 3.6-24V
2. Output voltage range: 3.6-30V (The output current depends on the specific situation but not 10MA, the total power is certain, and the voltage and current are inversely proportional)
3. The jumper cap can realize whether the output terminal is high-potential output or pull-down output.
4. The 4 817 channels on the board are all independent, which can realize simultaneous control of different voltages, etc.
5: Board size: length: 48mm; width: 38mm; long side hole distance: 42mm; wide side hole distance: 32mm
When encountering the need for isolation control and voltage conversion in actual work, this module will be used.
It can realize 3.3V or 5V control 3.6---24V voltage level interface. After the control terminal is turned on, the controlled terminal will also be turned on.
The photoelectric isolation has strong anti-interference ability. Later, it can drive high-power transistors, MOS tubes and other occasions that require high-voltage drive, and can also directly drive low-power 24V relays to work.
If it is a pulse signal, please note that the limit of 817 is below 4KHZ, please do not use this module for control signals greater than 4KHZ, it will not work properly.

Product Description
1. Signal voltage at the drive end: 3.6-24V
2. Output voltage range: 3.6-30V (The output current depends on the specific situation but not 10MA, the total power is certain, and the voltage and current are inversely proportional)
3. The jumper cap can realize whether the output terminal is high-potential output or pull-down output.
4. The 4 817 channels on the board are all independent, which can realize simultaneous control of different voltages, etc.
5: Board size: length: 48mm; width: 38mm; long side hole distance: 42mm; wide side hole distance: 32mm
When encountering the need for isolation control and voltage conversion in actual work, this module will be used.
It can realize 3.3V or 5V control 3.6---24V voltage level interface. After the control terminal is turned on, the controlled terminal will also be turned on.
The photoelectric isolation has strong anti-interference ability. Later, it can drive high-power transistors, MOS tubes and other occasions that require high-voltage drive, and can also directly drive low-power 24V relays to work.
If it is a pulse signal, please note that the limit of 817 is below 4KHZ, please do not use this module for control signals greater than 4KHZ, it will not work properly.

A module description:
1 Size: 2.7 cm*1.4mm
2 Main chip: LM393, 3144 Hall sensor
3 Working voltage: DC 5V
Two module interface description (4-wire system)
1 VCC external 5V voltage
2 GND External GND
3 DO small board digital output interface (0 and 1)
Three module features:
1. With power indicator and signal output indication.
2. Single channel signal output.
3. The module has no trigger and outputs a low level; the module has a trigger and outputs a high level.
4. Adjustable sensitivity (fine adjustment).
5. When there is magnetic field cutting, there will be signal output.
6. The output switch value of the circuit board can be directly connected to the single-chip microcomputer or our relay module, buzzer module, etc.
7. It can be used for motor speed measurement/position detection and other occasions.

Feature
100% Brand new and high quality
Brand new compatible passive speaker buzzer module
Features control the buzzer sounds
Compatible and mini design
Made of PCB material
DIY parts
Color: black
Size:26 x 15 x 10mm
1PCS ×Passive Speaker Buzzer Module

Description
1. Onboard HXJ8002 single-channel 3W audio power amplifier chip connected with BTL bridge
2. Working voltage: 2.0-5.5V
3. Standby current: 0.6uA (typical value)
4. When the input signal is 1kHz frequency, 8Ω load, and the average output power is 1W, the maximum distortion is 0.5%
5. When THD D<10% and input frequency of 1KHZ, the output power under different load conditions is (typical value): 3W (load 3Ω); 2.5W (load 4Ω); 1.5W (load 8Ω)
6. Board size: 19.8(mm)x14.2(mm)