Automatic stair light with Arduino.#arduino #diy #iot #homeautomation

Fully automatic stair light with Arduino,
you can add upto 20 individual light source to this circuit.
it's a really simple circuit and program that anyone can understand.

full Arduino code , circuit diagram, pcb fabrication file (Gerber) : drive.google.com/folderview?id=1zY6f2hF_Jge9fbbceL…