Guide on how to use closed-loop stepper motors. I'm using a NEMA 23 motor from Cloudray in combination with the CLE23 driver. Code: Affiliate links: Stepper & driver: RS232 to USB cable: Arduino Nano: Arduino Nano screw shield: Chapters: 00:00 Intro 00:07 Wiring 00:45 Dip switches 01:16 Step/Dir Arduino 01:48 RJ11 RS232 03:03 Outro