marcusController hardware
After several revision the hardware is working really well and has been tested for several thousand kilometers now. A mini series of five pieces has been produced to check the DFM.
Controller firmware
The controller firmware is mostly finished but still has some hardwired lines in it. A few minor things are still on the list for example soft fade out of assist when reaching the speed limit. Time needed: a few dozen hours.
Android app
Not yet on the market. Needs to be published. However there is a sister app for offline map usage with openstreetmap which has its first beta on the market. If you want to give it already a test run, you can find it here.
A screenshot of the app:
Website
Only the very basics but upload and display of tracks from the app are working. See an example track.
Discussions
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Hi
Excellent project. About time someone did this as may help many others apart from ebike builders.
I build electric self balancing unicycles as XenonJohn and had an early one in a previous Hackadsy competition semi final as the 'Medicycle'. With a lot more work since then they now have decent intuitive control and steering, a bit like early days of flight, first get it to balance then work out to control the thing! Currently using 800Watt brushed DC motor with chain drive as cannot find an Arduino controllable brushless hub motor controller. Your board seems ideal. Can it drive the motor in reverse if required as this is needed for self balancing, more so at slow speeds?
From firmware point of view it could be quite unsophisticated, just needs to deliver power from 0 - 100% in direction specified by the arduino, with no delays, ramp times, or other such features.
John
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