Stepper driver board SMC800 and SMC1500
You can buy these driverboards by www.conrad.de
smc800 = 79 euro
These boards are from
The SMC800 is 0.8A / phase and max 28V.
The SMC1500 is 1.5A / phase and max 24V.
They can full and half step.
There is 1 bad thing : they can move 1 ax at a time. If you run a 3d movement you don't see it but you can hear it.
smc1500 = 149 euro