Bicycle power meter - petebachant/petebachant.github.io GitHub Wiki
Strain gages, Raspberry Pi, accelerometer (angular velocity), battery?
http://keithhack.blogspot.ca/2013/01/v3power-meterthe-complete-how-to.html
Strain gages, Raspberry Pi, accelerometer (angular velocity), battery?
http://keithhack.blogspot.ca/2013/01/v3power-meterthe-complete-how-to.html