9-in-one multifunctional expansion board

9-in-one multifunctional expansion board

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Function:
2-way button module
2-way LED module
Brightness sensor module
LM35D temperature sensor module
Passive buzzer module
Rotary potentiometer module
Full color LED module
Infrared receiver module
DHT11 temperature and humidity sensor module
1 I2C interface (A4 SDA, A5 SCL)
1 TTL serial port
2-way digital port (D7, D8)
1 analog port (A3)
Reset button
Fully compatible with Ard UNO R3 interface
Provides the basic experimental module of Ard beginners introduction
One board integrates multiple module functions
You don't need to solder, you don't need to connect, you can complete the experiment by downloading the program directly.
Provide all module code library files, all tested and ready to use
Reserved expansion port, can complete other module experiments
Customized high pin headers, no short circuit contact with the UNO board's USB interface