Guide: Oscillight

FastLED.show(); delayMicroseconds(55); // ~1° at 20 rps

void setup() FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS); attachInterrupt(digitalPinToInterrupt(HALL_SENSOR_PIN), resetAngle, RISING); oscillight guide

#define LED_PIN 6 #define HALL_SENSOR_PIN 2 volatile int angle = 0; int text[][60] = ...; // Precomputed bitmap FastLED