gistfile1.c

#include <Adafruit_NeoPixel.h>

#define LLEDPIN 10
#define LBUTTONPIN 2

#define RLEDPIN 11
#define RBUTTONIN 3

int leftOldButtonState = 0;       
int leftCount = 0;

int rightOldButtonState = 0; 
int rightCount = 0;

int buttonOnSensitivity = 1;
int buttonWaitSensitivity = 5;

int leftButtonState = HIGH;       
int rightButtonState = HIGH;  

int lSignalOn = 0;
int rSignalOn = 0;

Adafruit_NeoPixel l_arrow = Adafruit_NeoPixel(3, LLEDPIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel r_arrow = Adafruit_NeoPixel(3, RLEDPIN, NEO_GRB + NEO_KHZ800);

void setup() {
  
    Serial.begin(9600);
    pinMode(LBUTTONPIN, INPUT);
    pinMode(RBUTTONIN, INPUT);
      pinMode(LLEDPIN, OUTPUT);
      pinMode(RLEDPIN, OUTPUT);
}

void loop() {
    leftButtonState = digitalRead(LBUTTONPIN);
    rightButtonState = digitalRead(RBUTTONIN);
    
    if (leftButtonState == LOW && leftOldButtonState == LOW){
      if(lSignalOn == 0 && leftCount >= buttonOnSensitivity){
         lSignalOn = 1;
      }
      else if(lSignalOn == 1 && leftCount >= buttonWaitSensitivity){
         lSignalOn = 0;
      }
      leftCount++;
    }
    else{
      if (leftButtonState != leftOldButtonState){
        leftCount = 0;
      }
      else {
        leftCount++; 
      }
    } 
    
    if (rightButtonState == LOW && rightOldButtonState == LOW){
      if(rSignalOn == 0 && rightCount >= buttonOnSensitivity){
         rSignalOn = 1;
      }
      else if(rSignalOn == 1 && rightCount >= buttonWaitSensitivity){
         rSignalOn = 0;
      }
      rightCount++;
    }
    else{
      if (rightButtonState != rightOldButtonState){
        rightCount = 0;
      }
      else {
        rightCount++; 
      }
    } 
   
 
    if (lSignalOn == 1){
      lOn();
    }
    else {
      lOff();
    }
    
    if (rSignalOn == 1){
      rOn();
    }
    else {
      rOff();
    }
    
    Serial.println(leftCount);

    leftOldButtonState = leftButtonState;
    rightOldButtonState = rightButtonState;
    
    delay(100);
}

void lOn() {
      if (leftCount % 2 == 0){ 
        lOff(); // I want this to blink when it's on
      }
      else {
        for(uint16_t i=0; i<l_arrow.numPixels(); i++) {
          l_arrow.setPixelColor(i, l_arrow.Color(255,0,0));
        }
        l_arrow.show();
      }  
}

void lOff() {
      for(uint16_t i=0; i<l_arrow.numPixels(); i++) {
          l_arrow.setPixelColor(i, l_arrow.Color(0,0,0));
      }
      l_arrow.show();
}

void rOn() {
    if (rightCount % 2 == 0){ 
      rOff(); //I want this to blink when it's on
    }
    else {
      for(uint16_t i=0; i<r_arrow.numPixels(); i++) {
          r_arrow.setPixelColor(i, r_arrow.Color(255,0,0));
      }
      r_arrow.show();
    }
}

void rOff() {
      for(uint16_t i=0; i<r_arrow.numPixels(); i++) {
          r_arrow.setPixelColor(i, r_arrow.Color(0,0,0));
      }
      r_arrow.show();
}