Here’s the code for the fire effect. It is repetitive but it’s easy to change as the prop develops as there’s a one-to-one relationship between the structure of the code and the wiring of the prop.
| #include <Adafruit_NeoPixel.h> | |
| #ifdef __AVR__ | |
| #include <avr/power.h> | |
| #endif | |
| #define NUM_LEDS_OUTSIDE_RING 30 | |
| #define NUM_LEDS_INSIDE_RING 25 | |
| Adafruit_NeoPixel stripInside = Adafruit_NeoPixel(NUM_LEDS_INSIDE_RING, 2, NEO_GRB + NEO_KHZ800); | |
| Adafruit_NeoPixel stripInside2 = Adafruit_NeoPixel(NUM_LEDS_INSIDE_RING, 5, NEO_GRB + NEO_KHZ800); | |
| Adafruit_NeoPixel stripOutside = Adafruit_NeoPixel(NUM_LEDS_OUTSIDE_RING, 3, NEO_GRB + NEO_KHZ800); | |
| void setup() { | |
| stripInside.begin(); | |
| stripInside2.begin(); | |
| stripOutside.begin(); | |
| stripInside.show(); | |
| stripInside2.show(); | |
| stripOutside.show(); | |
| } | |
| void loop() { | |
| int r = 225; | |
| int g = 130; | |
| int b = 30; | |
| for(int x = 0; x <NUM_LEDS_OUTSIDE_RING; x++) | |
| { | |
| int flicker = random(0,125); | |
| int r1 = r-flicker; | |
| int g1 = g-flicker; | |
| int b1 = b-flicker; | |
| if(g1<0) g1=0; | |
| if(r1<0) r1=0; | |
| if(b1<0) b1=0; | |
| stripInside.setPixelColor(x,r1,g1, b1); | |
| stripInside2.setPixelColor(x,r1,g1, b1); | |
| stripOutside.setPixelColor(x,r1,g1, b1); | |
| } | |
| stripInside.show(); | |
| stripInside2.show(); | |
| stripOutside.show(); | |
| delay(random(25,180)); | |
| } |
