Attempt at cheap homemade version of Harmony

[Oran]

Sorry has been a while since I looked at the forum. Did you make a bicycle with automatic shifting? 
I haven't yet looked into PID as I haven't needed to, my current version of the code is working nicely. At the moment I'm learning about strain gauges for a bicycle power meter project I will write about soon on here.

Was not aware of ST microcontrollers it appears they have an extensive range to choose from. Think I'll stick with the Arduinos for the current prototype but if I make a higher performance more finished version st micro look like the way to go.