Basic Stepping Motor Control Circuits and PID

http://homepage.divms.uiowa.edu/~jones/step/circuits.html

https://electronics-diy.com/stepper-motor-driver.php

https://www.elprocus.com/what-is-a-stepper-motor-driver-types-and-its-applications/

https://www.electronics-tutorials.ws/io/io_7.html

https://www.circuitspecialists.com/blog/simple-dc-motor-circuit/

https://controlstation.com/training-workshops/?gclid=CjwKCAjwsJ6TBhAIEiwAfl4TWDoOu152_Q8Wuh2FNrA1Uql0OvqPQuCYXBIyE_vroxvnFJOXwT_23xoCLwEQAvD_BwE

https://www.hindawi.com/journals/aans/2014/126317/ https://ctms.engin.umich.edu/CTMS/index.php?example=MotorSpeed&section=ControlPID https://community.element14.com/products/arduino/b/blog/posts/simple-arduino-dc-motor-control-with-encoder-part-2

https://electronoobs.com/eng_arduino_tut102_code1.php https://www.dataforth.com/introduction-to-pid-control.aspx?gclid=CjwKCAjwsJ6TBhAIEiwAfl4TWGzF3bdPF-Xg2b1dVmkEInbitLlrPBv-kRIdxIKZDMHelx9h6AoEGRoCnyMQAvD_BwE

https://www.csimn.com/CSI_pages/PIDforDummies.html https://www.ni.com/en-us/innovations/white-papers/06/pid-theory-explained.html https://www.setra.com/blog/what-is-a-pid-loop

https://www.crossco.com/resources/technical/how-to-tune-pid-loops/

https://www.vertech.com/blog/understanding-pid-loop-process-control-part-2