The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

Arduino IR Proximity Sensor. July 15, 2024 by T.K. Hareendran ... Here is the diagram of my Arduino infrared close proximity sensor. ... Apart from the Arduino UNO, the circuit consists of two more ...