hello! I'm building my own dynamometer for motorbikes. I'm about to buy the Arduino Duemilanove USB board with ATMega328 microcontroller.
What I can imagine is if I can use a inductive picup to pick up signals from a toothgear mounted on the drum (which is supposed to be accelerated).
I need the rpm to calculate the acceleration, power and torque and make a graph out of it
what kind of hardware would suit my needs?