A compact, rear-mountable, cost-effective closed-loop high-current
Stepper/BLDC motor driver, featuring multi-level protection and a comprehensive set of
communication interfaces
Stepper3-phase BLDCPMSM
Driving capability: 3.2A RMS, 4.2A PEAK Up to 60W
Power stage: 6-48V, Discrete MOSFETS <50mR channel resistance
Feedback: 21-bit Absolute encoder
Daisy Chain support: Power and CAN connectors
Expansion board port: Power and UART signals for custom functionality
1Ć 100cm wire set for all interfaces (CAN, CONTROL, POWER)
1Ć 3cm wire for stepper motor
1Ć Adapter for POLOLU drivers
1Ć Kit of motor connectors: Horizontal XT2.5 4Pin or Screw terminal (unsoldered)
Additionally Required:
1Ć Programmer + cable (+$10) ā At least 1 required per order for
firmware flashing. More info here
Optional Add-ons:
High quality stepper motor ā No sourcing issues, same motor for all drivers means it is easier to tune your system
ā ļø Important Information
ā”
Voltage Limitation: For stepper motor control, maximum effective voltage applied to motor is 65% of supply voltage. E.g. for 48V supply effective voltage will be 31V
š§
Firmware Status: Firmware is in WIP status. There may be any API changes and ongoing improvements in functionality. Firmware is open-source so you will be able to make update any time
š
Motor Connector: Motor connector will be NOT soldered. There will be 2 types of connectors in kit: Screw terminal and horizontal XH connectors. You should be able to solder them yourselves for your specific application
šØ
Design Changes: PCB color and component placement is subject to change
š“
ATTENTION! EARLY ACCESS CONDITIONS:
This is an ENGINEERING SAMPLE version, which is distributed ONLY to developers and testers, not intended for plug & play operation with all functionality
All boards will undergo QC before shipment to eliminate defects
Shipping and taxes are paid separately
If defects or any technical and quality issues are found, please report them in Discord previously
You need at least one programmer kit to ensure you can change firmware and have access to internal registers for debug/development
If you buying this board please make sure you will fill form below to ensure that project developer can contact you in case of troubleshooting etc
Share your use case to improve driver
Section 1 of 8
~20 min remaining
Submitting Your Application...
Please wait while we process your submission.
Application Submitted Successfully!
We appreciate you taking the time to share your technical requirements and use case.
We will review your details and reach out soon regarding the next steps.
ā” Keep This Project Alive ā Support the Development
My goal is simple: make professional-grade motor control accessible, not overpriced
ā selling hardware as close to manufacturing cost as possible, without baking R&D hours into the
price tag.
This is an independent project. Your support literally allows me to keep the lights on and
food on the table while working on this full-time. Without early community backing,
this model simply can't survive. By buying me a coffee, you directly enable:
Full-time focus
Faster & bolder iterations
Rock-solid reliability
Long-term commitment
If you believe in accessible, professional-grade motor
control, help us push this project past the finish line.