step_motor_28byj_48 Raspberry Pi driver for 28BYJ-48 step motor with ULN2003 driver board Credits Scripts and GPIO stuff: http://www.scraptopower.co.uk/Raspberry-Pi/how-to-connect-stepper-motors-a-raspberry-pi https://github.com/custom-build-robots/Stepper-motor-28BYJ-48-Raspberry-Pi/commit/d8f6b5f3ee4d6b22d3fe40d81d0be09287c97c89