Welcome to the Arduino Uno Pin Diagram Explanation user manual, your ultimate resource for understanding and using your new product. Compatible Accessories This section lists compatible accessories ...

In this project, an IR sensor is used as an external interrupt to Arduino. In Arduino Uno, digital pin 2 & 3 are the interrupt pins, so connect the Out pin of IR sensor to the 3 rd pin of Arduino.

To work with the sensor we need to power the sensor first, for that we are using the 5V and GND pin of the Arduino UNO Board. As shown in the above arduino soil moisture sensor circuit diagram we have ...

DC Current per I/O pin – 8 mA; Arduino UNO R4 WiFi only Qwiic I2C connector for expansion modules. 3-pin header with an “OFF” pin to turn off the board and a “VRTC” pin to keep the internal Real-Time ...

Welcome to the user manual for your newly purchased Arduino Uno Pin Diagram. This comprehensive guide is intended to help you master the functions and capabilities of your product. Inside, you will ...