Quick Start: IR Sensor With Arduino Code in 5 Minutes For experienced users, here's the essential IR sensor with Arduino setup: Connect VCC to 5V, GND to Ground, OUT to pin D9 Upload the Arduino IR ...

Connect the ACS712 current sensor module according to this diagram. Therefore, must connect the ACS712 current sensor output to an ADC pin of NodeMCU / ESP32 / STM32 Blue Pill. Here, we have to care ...