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by lkois 22 days ago
If you just want to clone a typical garage door remote, you're way better off buying a generic $5 fob. Almost all the 433MHz garage fobs I've seen are designed to easily clone each other. And if cloning doesn't work, it's probably because you need to access the door controller and hit a few buttons to pair the remote directly. Also trivial, and also often pretty physically insecure. In the smaller apartment buildings I've lived in, the boxes containing these control units have usually just been hidden behind by a couple of screws and a "danger electricity" sticker.

If your current remote has multiple unused buttons on it as they often do, you can already try this out.