In this video, I demonstrate how to simultaneously control three stepper motors with the Arduino Uno and the Accel Stepper Library with discrete examples.

Check out this Reference Desk Mat for Arduino:
https://amzn.to/3vO6QBl

Video Timestamps:
0:00 Introduction
0:25 Installing the library
0:45 Parts needed
1:02 Wiring the circuit
1:48 Moving a single motor to a specific position (blocking)
4:16 Sequentially three motors to specific positions (blocking)
4:57 Simultaneously moving three motors to specific positions
7:18 Simultaneously moving three motors at a constant speed
8:10 Simultaneously moving three motors to a position at a constant speed
9:09 Using potentiometers to simultaneously control the speed of three motors
10:20 Using potentiometers to simultaneously control the position of three motors

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Parts needed for this example:
Arduino Uno https://amzn.to/3pGK6Am
Stepper Motors https://amzn.to/3qtbr9A
Stepper Motor Drivers https://amzn.to/3QpceTP
Power Supply https://amzn.to/3DKs2sF

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Disclaimer: This video contains affiliate links, meaning that if you make a purchase from one of the product links, I'll receive a small commission.