This is the complete circuit diagram for this home automation project. I have explained the circuit in the tutorial video. The circuit is very simple, I have used the GPIO pins D23, D22, ... Then ...

After that, I have soldered all the components as per the circuit diagram. Then connect the ESP32 board, DHT11 SENSOR, LDR, and 1838 IR receiver with PCB. ... The IR receiver must have a metallic ...