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Last active Feb 28, 2019
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#include "FastLED.h" //fast led library
#define NUM_LEDS 10 //total no. of leds used
#define DATA_PIN 5 //digital pin at which the data pin is connected
#define mic A5 //analog input from mic module
int mic_Value; //to save raw value from mic
int red, green, blue; //to store RGB color values
CRGB leds[NUM_LEDS]; //fast led function
void setup() {
FastLED.addLeds<UCS1903B, DATA_PIN, RGB>(leds, NUM_LEDS); //as our led IC is UCS1903B,fast led support lots of ICs, find more
//FastLED.addLeds<WS2812B, DATA_PIN, RGB>(leds, NUM_LEDS); //if you are using WS2812B insted of UCS1903B
LEDS.setBrightness(200); //setting brightness of LED (0 to 255) //info at
randomSeed(analogRead(0));// for generating random no. by taking noise from analog pin 0
for (int i = 0; i <= 9; i++) //for changing color of all 10 LEDs
leds[i] = CRGB(200, 200, 200); //for initial white color; //fastled function, without this function the colors won't be updated
void loop() {
mic_Value = analogRead(mic); //storing analog values from mic to mic_value
if(mic_Value>100) //to avoid small noise
for(int i=0;i<=9;i++)//for changing color of all 10 LEDs
red=random(255); //random red color value between 0 to 255
green=random(255); //random green color value between 0 to 255
blue=random(255); //random blue color value between 0 to 255
leds[i]=CRGB(red,green,blue); //assigning color values to LEDs;
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