LEDJar

LEDJar.ino

#include "FastLED.h"
#include <CapacitiveSensor.h>

// How many leds in your strip?
#define NUM_LEDS 130

// What pin are the LED's connected to?
#define DATA_PIN 2

// Define the array of leds
CRGB leds[NUM_LEDS];

CapacitiveSensor cs = CapacitiveSensor(4,6);

bool lightsOn = false;
long onTime   = 0;
int effect    = 0;

void setup() { 
	Serial.begin(115200);
	Serial.println("resetting");
	LEDS.addLeds<WS2812, DATA_PIN, GRB>(leds,NUM_LEDS);
	LEDS.setBrightness(255);
}

void loop() {

  if (!lightsOn) {
    //long start = millis();
    long total = cs.capacitiveSensor(30);
    //Serial.println(total);  // debug output
    delay(10);
    // How big should the cap sense reading be before we turn on the lights?
    if (total > 1000) {
      lightsOn = true;
      onTime = millis();
    }
  }

  if (lightsOn) {
    if (effect == 0) {
      effect(1);
    } else if (effect == 1) {
      effect(2);
    } else if (effect == 2) {
      effect(3);
    } else if (effect == 3) {
      effect(4);
    }

    // After 5 seconds turn off the light
    if ((millis() - onTime) > 5000) {
      lightsOn = false;
      allOff();
      effect++;
      if (effect > 3) {
        effect = 0;
      }
    }
    
  } else {
    // The jar is off
    sparkle();
  }
}

void allOff() {
  for(int i = 0; i < NUM_LEDS; i++) {
    leds[i] = 0;
  }
  FastLED.show(); 
}

void sparkle() {
  // sparkle effect here
}

void effect() {
  // different lighting effects here
}