42 Stepper Motor Back Drive Control Board NEMA 17


SKU: SDR1113 Category: Tags: , , , , , ,


  • Based on DRV8825 drive board, or A4988 board. Please buy it alone here.
  • Board main control chip CH554
    • Accept control signal via USB or RS-485
    • Send pulse control signal to DRV8825
    • We provide simple demo code, USB CDC to send 1/2 to run motor
    • Back selectable power VCC 3.3V or 5V
  • On board RS-485 chip, connect to CH554 UART1, P32/P34, DIR P12
  • Back center magnetic encoder MT6816
    • The system can be built to close-loop
    • Communicate with CH554 via SPI interface
    • Optional PWM signal to P11 MCU by jumper
    • We don’t provide demo code for this yet
  • Optional programmable LED P10
  • Lead out serial debug interface and possible extra pins

Installation please see on this page.

Pin Definition please see here.

Additional information

Weight 0.03 kg


There are no reviews yet.

Be the first to review “42 Stepper Motor Back Drive Control Board NEMA 17”

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Product Enquiry