Then wire pin 6 gnd to the gnd on the relay.
Pi garage door opener.
Use a raspberry pi and a smartphone to open close and monitor a garage door.
Lawmakers in california recently passed senate bill 969 a law requiring all garage door openers to be equipped with a battery backup system in the event that a home s power goes down.
With a magnet attached to the garage door the pi relies on two magnetic reed switches to check the garage door s status.
The garage door has been in continuous use since late 2014.
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Raspberry pi garage door opener first of all let s see which things you should need to create an automatic garage door opener using raspberry pi.
Steve placed one sensor near the ceiling and the other is on the ground.
When the relay is triggered it closes the circuit hooked up to the garage motor and opens the garage.
Wire pin 2 5v on the pi to the vcc pin on the relay.
If you are ready to upgrade repair replace or install a garage door opener or commercial door we invite you to contact us and give us the opportunity to help you to fulfill your requirements.
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.
We will wire a very basic circuit to the pi s gpio pins and upload a website that triggers the circuit.
I recommend purchasing a new one for around 30 at home depot programming it and then taking apart your old one.
When you access the webserver from your browser of choice you will have a big button that triggers the garage door via a relay.
The two left most terminals are to control the door.
If you connect the relay to this terminal directly and mount the raspberry pi in the garage you won t need a remote.
Look up your brand and see where your connections should go.
A suitable raspberry pi starter kit i used canakit raspberry pi kit protective case to save your pi board from any accidental damage.
My garage door opener comes with 4 terminals.
The new california garage door opener battery backup law is said to save people from becoming trapped inside their houses when there is a power cut making it easier for them to get out in the event of an.
The green 4 pin thing in the diagram is just a representation of what my connection looks like yours may be different.
Its very simple to open up one you already have and connect it to this project.
And the next two are the safety sensors which i left alone.
If the garage door is open when it shouldn t be then send a text message sms to a cell phone.
So you basically remove the battery on the remote and connect the on the battery compartment on the remote to the 3v on the pi.
Then wire the relay to the garage door opener.
