There’s more than one garage opener with a not-quite-open ecosystem. That’s why an Ars writer installed an OpenGarage unit.

In this awesome proof-of-concept project, [James] expanded that array to include garage door openers. After receiving ... a captured signal), only a receiver was implemented.

If you can't find one for your garage door opener model, you can try a universal remote or you can install a new receiver. A ...