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 ...

of the 4×7 LED display. Note that here the decimal point (dp) option is not used, but included in the sketch. D13 of the Arduino is reserved for the decimal point segment. The 10K potentiometer is ...

To the human eye, it looks like multiple LED’s are lit up simultaneously. [Alex] planned to use an Arduino to control this display, but it doesn’t have enough outputs on its own to control all ...

[Christian] wrote in to tell us about his third-generation Arduino MIDI sequencer (translated ... components seen above include the slider and potentiometer band, as well as the repository ...

Using and customizing the display is easy, with a specially written Arduino library and a dozen pre-made examples. Maker LED display also has Wi-Fi so it can connect to the internet to retrieve ...