You ll need either two or three receivers depending on if you want to.
Make your own garage door remote.
If you have an older garage door you probably have a bunch of obnoxious large remotes sitting around.
This instructable will show you how to build a remote controlled door lock out of any number of 110v solenoids solid steel dowel some various odds and ends and an x10 remote appliance control.
If you re prefer something a bit more sleek and secure make shows you how to build a.
How to make your existing opener smart.
I built this for my garage door for less than 30 00.
Each manufacturer makes its own replacement remotes and universal remotes are also available.
Usually you will already have wires connected here from the garage door switch mounted by your door.
Extra garage door opener remotes come in handy.
Build a remote control deadbolt.
Now simply connect two wires from the two legs of the switch on the relay to the input terminals on your garage door opener that control the opener.
However choosing the right opener can be confusing.
These units are available from various manufacturers be sure to check compatibility with your in car buttons which are likely homelink.
You basically need a universal garage door receiver that s designed to interface modern wireless controls to an old garage door opener.
You have to use the app to check if you left the door open and to open it.