New firmware (v3) and boards (v4)

A project log for Grinder speed control with stable RPM

Uses BackEMF to track speed of AC brushed motor

vitalyVitaly 08/15/2021 at 23:250 Comments

Notable update. Since old grinders (Hilda 180) are discontinued, PCBs were reworked for new models:

Also, there are notable changes in software, and minor schematic tweaks. The most notable things: