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latest posts
- Raiders of the Game Boy Four Player Adapter
- TypeScript: You Can Read It
- Custom Aftermarket Blinkenlights
- How to Speak NeoPixel
- Spooky nulls in an ArrayList
- A Gentleman’s Orthonormal Basis Rotation
- Iterating Over a Triangulation in Java
- SNES Classic Teardown
- 8Bitdo SN30 Teardown and Critique
- Rendering Twisty Thingies
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Tag Archives: electronics
How to Speak NeoPixel
Adafruit calls them NeoPixels, but their real name is WS2812 or SK6812. They’re handy little RGB LEDs with built-in controllers. They use a single-wire anisochronous self-clocking signal, so controlling them requires some precise timing. There’s an easy-to-use Arduino library available, … Continue reading
PWM LED driver design difficulties
For my custom alarm clock, I needed a light source with controllable intensity and color. It didn’t come together as easily as I expected.