Next is the Hookup diagram of the Arduino 4-Digit 7-segment LED Display, followed by the Arduino sketch ... in connection with a 10K preset pot attached to the analog input A0 of the Arduino board.

This is just a fun Arduino project that uses leds connected in circle as a ring to produce a rotation effect. You can adjust the spinning speed with a potentiometer and you can also set a minimum and ...

Call it synchronicity, or manually setting a 16-bit number in an Arduino, or how to turn an OLED into a rotary dial... What am I talking about? Well, I was just compiling the blogs pages for the next ...