[Eric Arcana] has been creating animated holiday decorations for several years, which involved a lot of custom code to make things light up the way he wanted, pulling the microcontroller to make ...

This project uses 3 lines of 5 LEDs arranged in a Y configuration to visually resemble the famous Flux Capacitor from the DeLorean time machine. The LEDs run a smooth one-direction chase effect with ...

The LM3914 LED bar graph driver was an amazing chip back in the day. Along with the LM3915, its logarithmic cousin, these chips gave a modern look to projects, allowing dancing LEDs to stand in for a ...