Source code for my Arduino UNO tutorial YouTube series - 664330348/Arduino-uno-tutorial-code ...

What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...

Teaches: Digital output, timing with delay(). Circuit: No external wiring — uses the built-in LED on pin 13. How it works: setup() sets pin 13 as output. loop() drives it HIGH, waits 1 s, drives it ...