MOOD Coaster - Thermal Reactive LED Coaster via USB Power
The other day I started to imagine a coaster that would change colors based on the temperature of the cup placed on it. And not just that, the colors would animate like a spinning wheel. Cool colors for cold drinks and warm colors for warm drinks was an obvious place to start. Maybe there could be different modes or color 'moods'.
I happened to have everything needed to put one together in my old box of arduino parts:
- Brain = Arduino Pro Mini 5v 16mhz
- LEDs = NeoPixel Ring, 24 addressable RGB LEDs
- TEMP = Honeywell 10k Thermistor
- The shell was 3D printed in PLA on a MakerBot Replicator 2.
The code still needs a little development to bring in all the features. But this version demonstrates my basic vision of this device and gives you a sense of the possibilities.