Module Board
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Overview:
- The gas sensing material used in the MQ-2B gas sensor is tin dioxide (SnO2) with lower conductivity in clean. When there is a flammable gas in the environment where the sensor is located, the conductivity of the sensor increases as the concentration of flammable gas in the inc..
$32.99
Ex Tax:$32.99
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Overview: - The gas sensing material used in the MQ-4B methane sensor is tin dioxide (SnO2) with lower conductivity in clean . When there is a flammable gas in the environment where the sensor is located, the conductivity of the sensor increases as the concentration of flammable gas in th..
$32.99
Ex Tax:$32.99
Features: 1. NE555 chip onboard2. A single channel output, the output duty cycle square wave is about fifty percent3. Onboard adjustable resistance, resistance can be controlled to adjust the output frequency4. Working voltage: 5 - 12V 5. Board size: 29 (mm) x12 (mm) Package Included: 30 x NE555 ..
$19.99
Ex Tax:$19.99
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Package Included:30 x RJ45 Tap Network Cable Connector Network Power Splitter..
$32.99
Ex Tax:$32.99
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Features:Module description:The sensor module light is adaptable to the environment, it has a pair of infrared transmitting and receiving tube, tube infrared emit a certain frequency, when detecting direction meet with obstacles (reflecting surface), reflected infrared receiving tube, after ..
$15.99
Ex Tax:$15.99
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Function introduction:
I/O expansion module based on I2C interface, can expand 8 I/Os with 2 I/Os (more than 8 PCF8574 can be used simultaneously, expand to 64 I/Os)
Features:
Support two interface types to access the target board: pin header or row seat
Support I2C..
$31.99
Ex Tax:$31.99
Specifications:Shooting distance: 1MEmission wavelength: 850nmLine length: 300mmWorking voltage: DC 5VWorking current: 20mAOutput current: 16mAEmission angle: straight line (infrared light)Receiving angle:..
$76.30
Ex Tax:$76.30
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Specifications:
Operating Voltage : DC 3.3V
Logic level : 3.3V LvTTL Logic level
RS485 BUS IC : SP3485
Read and write automatic control IC :SM74HC04
Size : 17.9x11.7x2.8mm(
Weight : 0.7gWiring Diagram:
Application:
RS485 Temperature and humidity sensor
PTZ camera
LED controll..
$48.99
Ex Tax:$48.99
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Features:● Smart reverse polarity protection, reverse power supply will not damage the IC.
● IC control circuit and LED point light source share a power supply.
● control circuit and RGB chip integrated in a 5050 package components, constitute a complete external control pixel.
● Built-in si..
$9.99
Ex Tax:$9.99
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Feature:
RS232 module is a standard interface for equipment. You can now easily access that equipment straight from your for Arduino.
The RS232 module has DB9 connectors that provide a connection to various devices with RS232 interface.
Documents:
Dimensional drawing: Click here to open..
$59.99
Ex Tax:$59.99
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Feature:
It is widely used in radio modification, phone flash, GPS, vehicle detection, DVD flash, hard disk repair set-top box upgrade
It can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU Communication
Port: TX RX VCC GND
Package includes:
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$25.99
Ex Tax:$25.99
30Pcs Serial Port WIFI ESP8266 Module Adapter Plate With IO Lead Out For ESP-07 ESP-08 ESP-12This Adapter Plate is for ESP-07 ESP-08 ESP-12, a test board with IO lead out.Note:Need to solder 3V regulator by youself.ESP-07, ESP-08, ESP-12 module board are not included!!!Package included:30 x Serial P..
$9.99
Ex Tax:$9.99