I needed an adapter for connecting the new A3979 stepper motor driver to the parallel interface of my PC. I like to use EMC 2. The adapter can be powered from the same power supply as the stepper motor drivers. It has an onboard DC/DC converter, generating 5V for the stepper motor drivers.

Up to four stepper motor drivers can be connected. Additional connectors for reference switches and digital outputs are available.

Parallel interface adapter for A3979 stepper motor driver

 

 

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