43oh member, Yosh, writes about building a stepper motor driver based on Brian Schmalz’s Easy Driver project. His project is based on an MSP430G2452 which acts as the host controller to the EasyDriver which has an A3967 from Allegro.
I needed to integrate a stepper motor into a project I’m working on, and quickly found the EasyDriver by Brian Schmalz the easiest way to do so. To have a nice, small package I decided to make a custom MSP430 board for this purpose. As you can see on the images, the dimensions of the board (designed with DipTrace, fabricated by OshPark) equals those of the EasyDriver PCB.