I’ve got a new Shapeoko XL with a 2.4e CMB. I installed pins for PWM and GND to wire up a VFD as discussed in numerous posts. I’m running CM4 build 416. Start/Stop Spindle has no effect in CM. I’ve tried Manually sending M3S10000 and M5 in MDI, no joy. I can see in the log that it’s being passed to…

Testing PWM Output

Julien (Julien) July 5, 2019, 10:52am 3

I second that guess, I had a similar (not identical) issue sometime ago, and fixed it by increasing $30:

3 Likes