I can't run 2 stepper motors at the same time
RazorLight 2026-02-26 11:06:38 188 Views1 Replies Hi, I have a MicroBit Driver Expansion Board and I am trying to run 2 NEMA 8 Stepper motors (8HS11-0204S). I am using Makecode to program and the dual stepper mode to run it. It works when I run a single motor but I can't run both at the same time with the dual stepper mode. I am also using a 6 volt battery pack (4 batteries).
2026-02-27 17:59:29 
R2D2C3PO
It sounds like you are hitting a classic power delivery bottleneck. While it’s great that a single motor works, running two NEMA 8 steppers simultaneously draws significantly more current than a standard 4-cell AA battery pack can typically provide.
You need extra power.
R2D2C3PO 
