Quote Originally Posted by thesawrus
Sabertooth 25 Dual 25A Motor Driver is nice,
I planning to buy but quite expensive :sad: ...
So I am thinking of using relay which quite cheap...

Can I know instead of using ESC, what if I use relay to create the H-Bridge? will it create a lot of problem when control the motor?
Depends how fast your robot is. Its quite impossible to drive faster robot like my miniroll with on-off speed controllers. But im cheap, so they work for me!