In this video I re-engineer a 40MHz garage door opener and build a small one for my Harley. I use SDR radio and Audacity to do the hacking and an AD9850 DDS and an Arduino to create a clone.
The principle shown here can also be used for openers or key fobs operating on other frequencies.

Links:
FM modulation with AD9850: [ Ссылка ]...

Port Manipulation with Arduino: [ Ссылка ]...

Files:
[ Ссылка ]

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