Roll-up shutter smart controller
Tired of waiting for the motorized roller shutter that goes up or down, I used this circuit in order to press with one impulse the button to raise or lower it, and after a number of seconds will automatically shut off the motor.
The circuit use an Arduino Nano, the existing buttons on the wall and some components. I used a prototype pcb board to make it, but i include the PCB and breadboard design.
Caution. Some wire is under high tension (110 or 220 volt) Can be very dangerous. Make sure to work with the line power off.