Oops, yes i meant the DIR pin. I will do some testing once my current print ends. But how would the driver chip affect how the Rumba board sends Hi/Lo to the DIR pin? I mean if the A4988 is getting Hi/Lo on the dir pin from the board, wouldn't the DRV8825 get Hi/Lo as well?by razzle - Stepper Motors, Servo Motors, DC Motors
I have a Type A Machines Series 1 2014 with the Rumba 1.4 controller. It originally came with A4988 drivers on it. I had consistent issues with skipping on the extruder stepper when the driver got hot. Current adjustment and putting a fan on the drivers did not solve the issue consistently. So i purchased some geetech DRV8825 drivers to replace. Now i get very consistent extrusion. But i haby razzle - Stepper Motors, Servo Motors, DC Motors