Cobra - Bipolar 2A compact board for cnc

• compact single-board

• latest electronic chips with the highest electrical/thermal efficiency, so that no heatsink or fan is needed (lower power consumption, higher reliability)
• 2 to 5 axes
• 2 relay outputs
• 5 digital inputs
• single power supply
• low cost
• ready-made Mach3 and Emc2 config files
• easy to use
• additional axes can be added anytime by soldering more chips on board

• 24VDC (nominal, 35V maximum rating)
• bipolar drive
• phase current adjustable from 0A a 2A by trimpot on board
• chopping drive (higher motor speed)
• microstep available, and adjustable from 1/1 to 1/16 (higher step resolution, smoothness, less likely to resonate)
• quick snap-on snap-off screw terminals

• enable input to disable output stage while keeping board on

• pc connection cable 25 poles subd25 male/female (included in the scope of delivery)
• high-quality Teko enclosures boxed version available (sold separately)
• stepper motors available (sold separately)
• dedicated power supply available (sold serpately)

Cobra board with nema23 stepper motors.

This milling machine operates with cobra board and 1,2Nm motors. A led inserting mask is being manifactured.

Read about cobra board creation on website page.