[yoyotechKnows] built an Alexa-controlled garage door opener after his Liftmaster stopped working. Now all he has to do is holler at his mobile phone and he can raise and lower his garage doors at ...

Garage door remotes communicate with the opener using a radio transmitter ... There's a photo eye sensor on each side of the door directly across from one another, forming an invisible beam ...

Learn how to replace MyQ remote garage door sensor battery easily with our step-by-step guide. Keep your garage secure.

If your garage door is open, the safety sensors ... To do this, simply measure from the ground to the sensor to ensure they're both the same height, unscrew them from their mounts, move them ...