CIRCUIT DIAGRAM

THINGS NEEDED FOR MAKING THIS

1. Raspberry pi pico W*1
2. 5v Relay * 4
3. 230v to 5v, 2A converter*1
4. LEDs*4
5. BC547 Transistor *4
6. 1K resistor* 8
7. screw terminals*4
8. 1N4007 diode*4
9. Common PCB
10. female header pins

PYTHON CODE

download the code from here

3D PRINTING

download the 3d printing files from here