The spindle control of my CNC3040 leaves a lot to be desired: The control knob is sluggish, I have no idea how fast the spindle turns at which position and there is that awful 490Hz whine from the motor. Let's do that better, and make our own motor control!

Link to the project on hackaday.io with all the arduinocode shown in the video:
https://hackaday.io/project/191869re...

Setting the Arduino PWM frequency:
https://www.mintgruen.tuberlin.de/ro...

Hackaday.io project about setting spindle PWM and other settings:
https://hackaday.io/project/67763040...

00:00 Intro
00:32 My mystery Spindle Motor
03:01 Arduino speed Sensor for my Motor
05:53 Arduino Motor Speed Controller
08:02 Feedback based Control!
10:51 outro