Creating Beautiful LED Art with JavaScript
summary
Claim: JavaScript animates addressable LEDs by driving HSV channels with trigonometric waves, mapping sine output (−1..1) to 0..255 and composing multiple layers. The demo uses a Raspberry Pi + Node + Johnny-Five + node-pixel stack, implements HSV color space and sine-wave math (middle-school trig: amplitude, frequency, phase) to modulate hue, saturation, value and alpha, shows three layered effects, exposes a web control panel, and runs on the hardware shown.
AI-written summary · about
chapters (21)
- 0:00Intro
- 0:48What is art
- 2:15Technology and art
- 3:41HSV color space
- 11:23Offsets
- 13:21Color
- 14:07Angular Frequency
- 15:29Time
- 16:33Slow Motion
- 17:58Speed
- 19:14Fade
- 19:33Drop
- 19:54Hue
- 20:45Variance
- 21:08Rainbow Color
- 21:37Clamping
- 22:30Colour Spaces
- 23:03Transparent Layers
- 24:06Layers
- 25:19Node Pixel
- 26:55Node Web App
