How to control a LEGO Power Functions motor with an Arduino (Uno) and an Hbridge (L293).
How to control rotation direction and rpm?



References:
Patrick Müller (2016), Take Control Over Lego Power Functions:
Learn how to control Lego motors and servos with your Arduino and build your own Android app to remote control your model.
https://create.arduino.cc/projecthub/...

Data sheet L293D:
https://cdnreichelt.de/documents/dat...