Examples of rolling code openers include Genie’s Intellicode and LiftMaster/Sears’ Security Plus. With that said, here’s how to program a HomeLink garage door opener without a remote: 1.

If your remote has been lost and you are worried about others getting access to your garage, reprogramming a replacement remote renders the lost one useless.

The code is available within [serverframework]’s excellent write-up, and you can see a tiny demo after the break. There’s more than one way to clone a gate remote.

Sometimes, a simple fix is the best solution. Lacking extra funds for a proper remote-controlled gate-opener after the recent purchase of their farm, redditor [amaurer3210] built one as a birthday … ...