Made an adjustable motor dynamometer (Patreon)
Published:
2018-03-24 14:36:27
Edited:
2019-06-09 12:26:09
Imported:
2021-08
Content
for repeatable load testing in the next CNC episode. To give the BLDC servo a chance I needed it to be switchable while running.
It's super simple too: The rotary switch shunts the two stepper motor phases with equal resistances between 4 and 0 ohm, the on/off switch just disconnects everything.