Knob door opener v.2
Description
Servo door opener (part of a larger DIY smart house project, more at http://pchrusciel.com) Required parts: Nema17 stepper motor 1x DRV8825 Stepper Motor Driver 1x servo disc 4x M3 bolts and nuts Arduino Nano 1x red LED 1x blue LED 2x 1kOhm resistor 1x 10kOhm resistor 1x button
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