I found an incandescent filament-style numeric display tube (Numitron) called the "IV-9" that I bought a long time ago, sleeping in the back of my desk. Thinking, "If I don't touch it now, it might ...

It's called a breadboard because it looks like a bread cutting board... 1. A red wire connects from the top red (+) line to hole 18 2. A resistor (330Ω) connects from hole 18g to hole 14g 3. The LED ...

Flickering LED tea lights are a friendly and safe alternative to having flaming little pots of wax situated around your home, but sometimes the flicker scheme leaves something to be desired. [Roger ...

Focused on versatility and modularity, the LiteWing drone can be programmed and controlled using different platforms. When you purchase a LiteWing drone, it ships with default firmware that supports ...

SmartMatrix Library is designed to refresh HUB75 LED matrix panels and APA102-compatible addressable LEDs with high quality graphics, using simple Arduino sketches. 128x64 HUB75 Panel Driven with ...

The ESP32 keeps finding new jobs in my house.