Reversing polarity on 2 wires

Forum 2005-2010 (read only) Hardware Interfacing
1

basically trying to control a motor with 2 wires, without an h bridge.... because there's no place close to me that sells them, and i dont want to wait to long 0.0, thanks

2

Dual Motor GearBox - ROB-00319 - SparkFun Electronics its two motors, the ones from sparkfun, what would be the best voltage for them? like what kind of, and how many batteries?

3

thank you so much =)

4

Or you could use a pair of SPDT relays if you want to avoid using power transistors.
jack