3D-Step: PCB for 3 channel stepper motor board

Features:
• 3 channels (expandable to 4)
• Easy adjustable phase current up to 2,1A per phase (via trimmer)
• Up to 44V supply voltage
• TTL compatible in- and outputs
• Connectable to PC printer port or microcontroller
• Compatible to common CNC software like WinPCNC, Mach3, EMC and many other
• Half- and fullstep mode
• Two different current regulation modes
• Input for current reduction at standstill
• Onboard logic for 4 reference/limit-switches and one emergency switch
• Connector for staus LEDs or 4th axis extension
• "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)
• Made in Germany

New features:
• Integrated switching power supply for 5V logic, only one supply voltage necessary
• Varistor as protection against voltage peaks
• Sideward oriented LEDs

Included in delivery:
• Printed circuit board
• Setup instructions
Version mit Herstellungsfehler, 5 Leiterbahnen müssen von Hand nachverbunden werden. Daher 20% unter Normalpreis!