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London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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cyclotron3k
@pascalo
I built myself a garage door opener with an old raspberry pi and a two switch relay wired up to the roller door motors that have an external switch port.
Custom Android app to set off AWS lambda call to SNS to SQS, which a little process on the pi consumes and uses the GPIO port to trigger the relays. Takes a pic of before and after via webcam, uploads to s3, so I can view that in the app, too.