Components
5V LED strip
Arduino Uno
Photoresistor LDR Light Sensor Module 4 Pin
Acrylic box/sheet
Mulberry Paper
Code:
#define NUM_LEDS 300 // total number of LEDS
#define DATA_PIN 7
CRGB leds[NUM_LEDS];
void setup() {
Serial.begin(9600);
LEDS.addLeds<WS2812B,DATA_PIN,RGB>(leds,NUM_LEDS);
}
void loop() {
static uint8_t hue = 0;
// read the sensor on analog pin 0:
int sensorValue = analogRead(A0);
delay(100);
Serial.println(sensorValue);
// map the sensor value to the brightness
int ssValue = map(sensorValue, 90, 1023, 0, 255);
// run towards the end
for(int i = 0; i < NUM_LEDS; i++) {
leds[i] = CHSV(0, 0, 255);
LEDS.setBrightness(ssValue);
FastLED.show();
}
}