BigSwitch + Arduino Nano + 12 2812b NeoPixel Ring Lamp
thingiverse
#### BigSwitch + LED Ring + Arduino Nano Lamp Light show lamp, press to change light modes, etc. Use the "buttoncycler" sample from the NeoPixel library for arduino. I made some minor changes to the code. See below. For obvious reasons use clear or nearly clear filament. Use the standard wiring for the LED rings, remember to add a largeish (63uF+ cap across 5V to GND supply and a 330ohm or similar resistor between D6 on the Nano and DIN on the LED ring. Connect bigswitch pin to the pin specified in the buttoncycler library, and connect the other to ground. I used a different pin for ground as I already wired the LEDs and Cap to ground, and just drove it to a LOW digital pin state.
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