Then wire pin 6 gnd to the gnd on the relay.
Raspberry pi wifi garage door opener without relays.
Opening and closing the door is secured by using self signed certificates installed on family s mobile phones.
While this has been done before i thought i d post my solution.
Use a raspberry pi and a smartphone to open close and monitor a garage door.
If the garage door is open when it shouldn t be then send a text message sms to a cell phone.
Steve placed one sensor near the ceiling and the other is on the ground.
The relay should be wired in the normally open position so that when activated the circuit will close and the garage door will open close.
If you need more details follow the guide we ve written on how to use a relay with the raspberry pi.
This was my first hardware project and instructable ever and i m sure.
This model is necessary as it has wireless support while the raspberry pi zero does not.
This instructable explains how i setup a raspberry pi to open my garage door using a smarthphone.
Raspberry pi garage door opener.
It controls the door.
With a magnet attached to the garage door the pi relies on two magnetic reed switches to check the garage door s status.