 int movesPerBeat = 4;
 int minMagnitude = 0;
 int maxMagnitude = 50; // max difference between two magnitude measurements from accelerometer at which we show maxHue
-int minBrightness = 150; // from 0-255
-int maxBrightness = 200; // from 0-255
+int minBrightnessDivisor= 150; // lower = brighter
+int maxBrightnessDivisor = 300; // higher = dimmer
 int minHue = 160; // hue value under low motion, as defined through minMagnitude (from 0-255)
 int maxHue = 255; // hue value under high motion, as defined through maxMagnitude (from 0-255)
 int gainRatePerBeat = 6; // change towards new target magnitude

    adjustedMagnitude,
    minMagnitude,
    maxMagnitude,
    400, 
    200
  );
  
  // Channel 1


  // Activate effect based on mode
  if(mode == 1) {
    // Bright pulse meter
    minBrightnessDivisor = 150;
    maxBrightnessDivisor = 300;
    loopHeartRate();
  } else if (mode == 2) {
    // Less bright pulse meter
    minBrightnessDivisor = 200;
    maxBrightnessDivisor = 400;
    loopHeartRate();
  } else if (mode == 3) {
    FastLED.setBrightness(BRIGHTNESS);
    confetti(0, NUM_LEDS_CH1);
