[unusualelectronics] posted this animated LED snowflake. It has 61 LEDs, is controlled by a PIC microcontroller, and can perform about 30 different effects. The instructions are quite thorough ...

[Konstantin] had some extra 27C256 EPROMS lying around and decided to use them to animate an 8×8 LED matrix ... but you won’t find a programmable microcontroller. Neat! Yep, you read that ...

In this project eight LEDs are connected to PORTC of a PIC18F452-type microcontroller, and the microcontroller is operated from a 4MHz resonator. When power is applied to the microcontroller (or when ...

Russell Eveleigh is using a Raspberry Pi Pico to demonstrate Dijkstra's algorithm visually with LEDs arranged as a map of the ...