Stepper motor driver mechapro GmbH
3D-Step

3 channel stepper motor board '3D-stepdriver'

Features:
* 3 channels (expandable to 4)
* Easy adjustable phase current up to 2,1A per phase (via trimmer)
* Up to 45V supply voltage
* TTL compatible in- and outputs
* connectable to PC printer port or microcontroller
* compatible to common CNC software (PCNC, CNC-profi, DIN-CNC, Mach2, EMC etc.)
* Half- and fullstep mode
* Two different current regulation modes
* Onboard logic for 4 reference/limit-switches and one emergency switch
* Connector for staus LEDs or 4th axis extension
* Adjustable chopper frequency
* 'Smoothing' function for more torque in halfstep mode
* Typical current consumption 250mA (5V part)
* Suitable for both bi- and unipolar stepper motors with minimum 1,6 ohms coil resistance
* Eurosize board (160*100mm)