Try one of these:
http://www.mpja.com/Stepmotor-Driver-3A-Max-TB6560/productinfo/31306+MS
They are good to have around for "testers" too. I've seen them at other stores for less than $10 but can't remember where, shop around.
Try one of these:
http://www.mpja.com/Stepmotor-Driver-3A-Max-TB6560/productinfo/31306+MS
They are good to have around for "testers" too. I've seen them at other stores for less than $10 but can't remember where, shop around.