Pet (dutch for hat) with 95 LEDS and selectable program via switch. You can chose between patterns with the switch.

Patterns

• pulseColor : Fade in/out a color
• colorWipe : Fill strip with color (and next color)
• knightRider : What would be a LED strip without this option.
• rainbowCycle : Cycle rainbow colors over the strip.
• whiteOverRainbow
• police : Warn everyone that the police is coming.
• LightBrightnessVU : Testing program for light sensor.
• theaterChase : Showtime
• randomPix : Put random pixel on strip and fade out. Select Green for 'matrix' effect.
• mixColors : Experimental mix light colors
• Demo : cycle between all above modes.

Source will be published soonish at my personal Github account.

Resources

Parts List

• (officers) hat
• AliExpress 144 ws2812 LED strip 1 Meter US $17.50
• Powerbank
• Arduino nano or cloon at AliExpress for $2 or less.
• Light sensor
• Micro Switch
• 2 * 10 K OHM resistor for switch and light
• 470 OHM resistor for LED data line
• Some ductape to fix the part on the hat.

Other

• NeoPixel Library from adafruit
• NeoPixel Uberguide for practical info how to connect/control Neopixels.

#define PIN_LIGHTSENSOR A0 
#define PIN_BUTTON 2

#define PIN_NEOPIXEL 6

#define NUM_LEDS 95

#define BRIGHTNESS 30
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