Assembly tips for Sapphire Plus 3D Printer - Step 2
Step 2: Check voltage on the motor drivers VREF
When I received my printer, the current on the motor drivers wasn't set correctly (it was random, I was lucky they didn't burn on first power up).
![A4988 Pinout](/images/a/4/9/8/8/a4988-87e3aa96.jpg)
The TMC2208 drivers (see picture ab...