By Mike Schiraldi
Bill of goods:
- Adafruit Feather M0 WiFi - $35
- NeoPixel ring - $7.50
- Battery pack - $7
Assembly:
- Attach NeoPixel ring to Feather: GND-GND, NeoPixel "5V" to Feather "USB" pin, NeoPixel "Data Input" to Feather pin 9.
- Install this program
Use:
- Create an open WiFi network that includes "GP" in its name.
- Have a GigglePixel broadcaster join it
- Turn this device on