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Bicycle electronics controller

onedayfishsale

I see you're near Madison, so how about a build for bicycles? I use front and rear lights (LED with Li-Ion batteries) and a action cam, and it's a hassle to turn each of them on and off for each trip. I was thinking an Arduino with small OLED display for the handlebars that would: 1) use a reed switch or hall effect sensor and a spoke-mounted magnet to automatically sense when the bike is in motion and start/stop the lights and camera, 2) display a simple odometer/speedometer, 3) use a photocell to choose what modes to set the lights to. The lights and camera have momentary switches for on/off and mode selection. I could send over some extra lights or camera to hack up if needed.

 

Thanks! Love the show!

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  • How long does it normally take to get everything turned on and you are ready to ride? Maybe we can make it a time challenge for Ben. See how much time he can cut off your present process.

  • in reply to william_hoffer

    It takes about a minute to get everything started up. With the camera (SJ4000) it's a matter of it booting and then pressing another button to start recording. The lights (Cygolite Metro 500, Cygolite Hotshot) need a power on and sometimes to be cycled to a different mode (e.g. flashing during the day instead of steady). If everything came on automatically when the wheels started spinning, I'd be on my way 60 seconds sooner, and save another 60 seconds at the end of the trip. Not a lot of time, but it would also increase safety over forgetting to turn on lights manually.

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  • in reply to william_hoffer

    It takes about a minute to get everything started up. With the camera (SJ4000) it's a matter of it booting and then pressing another button to start recording. The lights (Cygolite Metro 500, Cygolite Hotshot) need a power on and sometimes to be cycled to a different mode (e.g. flashing during the day instead of steady). If everything came on automatically when the wheels started spinning, I'd be on my way 60 seconds sooner, and save another 60 seconds at the end of the trip. Not a lot of time, but it would also increase safety over forgetting to turn on lights manually.

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