hello all, i am new in arduino can you help me in making this arm .I have made it with servo motor but it is not smooth,so i wanted to make it again with stepper motor. Report comment Reply ...

PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...