Module de commutation tactile pour Arduino 
Step 1: Schematic Code & Parts List.
It is very easy, Just wire it up like the schematic and upload the code.
Parts list:
- Arduino uno, I used the Robot DYN UNO
 - KY-0019 Relais
 - TTP223B Tactile
 - Jumper wire set MM/FF/MF
 - Lamp socket + power cable & light bulb (optional)