Teensy Is at 3.3v logic. Stepper controller is at 5v??
Hi, So I just got the stepper kit in and hooked it up to my teensy. Im running a test script and no motion on the motor. I then took a shot in the dark and hooked up the driver to a normal old arduino uno and walla motion. Am I missing something?? How are you getting the teensy to drive the motors with just 3v logic?
I figured it out!!!! So turns out after reading through this https://forum.pjrc.com/threads/48524-Stepper-Driver-Voltage That you need to increase the pulse width in accel stepper and walla!
Im playing with custom software ( Accel Stepper Firmata ) so not running AR4 software at the moment. The only difference between my wiring and yours is im using the +pos pulse and direction pins. I am using a Teensy 4.1 and strangley everything works fine with an old driver I had kicking around in my shop. But with the new drivers that came in the kit it only seems to work with an arduino
5 replies
Chris Annin
The Stepperonline drivers (DM542T and the 320) do operate at 3.3v they are supposed to be updating the manual to show that. I assume you are running DM542T drivers. Are you running the AR4 teensy sketch on the teensy 4.1?