Hi,
I have a very simple driver based on TIP122's darlington transistors ( http://www.freelabs.com/~whitis/soft...RIVER%20TIP120'). TIP122 has a max output of 5amps.
I will be using an 8amp (12v) power supply from a computer. I have three stepper motors rated at 3A(2.31V), 2.3A(1.98V) and 0.87A(1.7V).
My question is: Do I need current limiting using resistors?
Thanks!