Arduino simulator window. The Arduino Sketch (code) is simple and flexible. The Delay at the end of the Loop procedure is added deliberately to avoid possible switching errors. The delay of 250ms woks ...

Practical PID – Arduino Experiment. To demo PID theory in action, I picked up an Arduino Uno from my messy drawer along with a GL5528 photoresistor (LDR) and a super bright 5mm blue LED. The ...