I've been scratching my head on this one for several days now. Stepper motor is shaking and has no torque. A light squeeze on the shaft will prevent the motor from turning.
Motor does this: https://www.youtube.com/watch?v=6Y3yhuFfnNw
Wiring looks like this: https://imgur.com/a/hTchyNO
Code looks like this: https://imgur.com/KOTkVS9
Exact Motor: https://www.amazon.com/dp/B0B38GHRH8?psc=1&ref=ppx_yo2ov_dt_b_product_details
Exact Driver: https://www.amazon.com/dp/B07BK1QL5T?psc=1&ref=ppx_yo2ov_dt_b_product_details
Exact Arduino: https://www.amazon.com/dp/B008GRTSV6?ref=ppx_yo2ov_dt_b_product_details&th=1
I have confirmed the power supply has the required voltage, more than enough amps, and is connected properly. I have confirmed and re-confirmed the wiring is good and connected well. I have confirmed the motor coils are connected to the board with the correct wire orders. I have confirmed the arduino is connected to the driver board with the correct pins in the correct order. I have confirmed it's not dead/bad hardware, as the video above is with new parts that came in literally two hours ago. Same issue with previous identical hardware.
I'm not sure what else to try. Anyone have any suggestions?