Connect your UNO R3 to your computer and configure the ATmega328P's ADC to read its internal temperature channel. Then print the ADC result to the Serial Monitor. For a visually interesting ...
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 ...