Using the ULN2003A Transistor Array with Arduino

New version of this video: https://youtu.be/kKqjjp9HDX8 https://www.bristolwatch.com/ele/uln2003a.htm ULN2003A Darlington Transistor Array with Circuit Examples Unipolar stepper motor driver using ULN2003 driving PNP Darlington transistors. Arduino Unipolar Stepper Motor Driver Board with Arduino Code https://youtu.be/HTVYiLOY8SQ