Light barier „kind of” / garage door presence sensor

[ogiewon]

Have a look at this thread…

Integrate Garage Door Opener Safety Sensors

Agree with @Sebastien that RATGDO is a great way to integrate the beam sensor. On top of this I recommend replacing the beam sensor that comes with your garage with the infinity shield: Having two SUVs I have accidentally closed the garage door while the back hatch was open and the infinity shield solves that.