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6.0 Assembly

7.0 Code

  

//include appropriate libraries

#include 
#include 


//Set pin #5 for LED strip
#define LED_PIN     5 //Connect D6 on Arduino nano to NeoPixel Din

//Define how many LEDs are in strip (16)
#define LED_COUNT  16

#define BRIGHTNESS 200 // NeoPixel brightness, 0 (min) to 255 (max)

Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

uint32_t rgbcolor1; //variable for red
uint32_t rgbcolor2; //variable for other
long maxValue = 65536; //max value for HSV color spectrum
int FSR_pin = A0; //set A0 as FSR input
int lightPower = 2; //set pin 2 as voltage source for LED strip
int force = 0; //initialize force variable
int force2 = 0; //initialize force variable 2
int delta = 0; //initialize change in force
long hue1 = 0; //initialize color variable 1
int value = 200; //set value for HSV color
int saturation = 220; //set desired saturation (0--> 255), 150 will be pastel tones
int threshold = 25; //threshold for when LED turns on

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(LED_PIN, OUTPUT); //define D6 as an output pin
  pinMode(FSR_pin, INPUT); // set A0 pin to input
  pinMode(lightPower, OUTPUT); //define D2 as an output pin
  digitalWrite(lightPower, HIGH); //set power pin to always high
  strip.begin();           // INITIALIZE NeoPixel strip object (REQUIRED)
  strip.clear(); //clear the strip
  strip.setBrightness(BRIGHTNESS); //set brightness for strip
  hue1 = random(maxValue / 6, maxValue); //set strip to random color that is not red
  rgbcolor1 = strip.gamma32(strip.ColorHSV(hue1, saturation, value));
  //Strip.ColorHSV will utilize HSV color library
  //strip.gamma32 will help crispen the HSV colors.
  //without strip.gamma32 your HSV colors may be washed out

  strip.fill(rgbcolor1, 0, (LED_COUNT)); //fill the strip with the rgb color
  //from 0 (first pixel) to 16 (last pixel)
  strip.show(); //show the color
}

void loop() { //this loop runs forever
  digitalWrite(lightPower, LOW); //turn off light
  force = analogRead(FSR_pin); //read FSR value
  delay(25); //wait 25 milliseconds
  force2 = analogRead(FSR_pin); //read FSR again
  delta = abs(force2 - force); //calculate change in value
  if (delta > threshold) { //if change is greater than 25
    digitalWrite(lightPower, HIGH); //turn on LED strip
    delay(100); //wait 100ms
    hue1 = random(0, maxValue); //randomize color
    rgbcolor1 = strip.gamma32(strip.ColorHSV(hue1, saturation, value));
    //Strip.ColorHSV will utilize HSV color library
    //strip.gamma32 will help crispen the HSV colors.
    //without strip.gamma32 your HSV colors may be washed out

    strip.fill(rgbcolor1, 0, (LED_COUNT)); //fill the strip with the rgb color
    //from 0 (first pixel) to 16 (last pixel)
    strip.show(); //show the color
    delay(5000); //wait 5 seconds before turning off light

  }
}