#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define OLED_WIDTH 128 // OLED display width,  in pixels
#define OLED_HEIGHT 64 // OLED display height, in pixels

Adafruit_SSD1306 oled(OLED_WIDTH, OLED_HEIGHT, &Wire, -1);

int potpin = 0;  
int val;   

void setup() {
  Serial.begin(9600);

 
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
  Serial.println(F("SSD1306 allocation failed")); while (true);}

  delay(1000);         
  oled.clearDisplay();
  oled.setTextSize(1);       
  oled.setTextColor(WHITE);   
  oled.setCursor(20, 00);      
  oled.println("Test");
  oled.setCursor(20, 35);      
  oled.println(" Testiii"); 
  oled.display();   

  
 
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(49, OUTPUT);
  pinMode(31, OUTPUT);
  pinMode(LED_BUILTIN, OUTPUT);

}

void loop() {


  oled.setTextSize(7);
  oled.setCursor(0,0);
  
  val = analogRead(potpin);            
  val = map(val, 0, 1023, 0, 100);     
  oled.clearDisplay(); oled.println(val); oled.display();              
  delay(15);     

  if  (val <=90 )   {digitalWrite(2, HIGH); } else {digitalWrite(2, LOW); }
  if  (val <=60 )   {digitalWrite(3, HIGH); } else {digitalWrite(3, LOW); }
  if  (val <=30 )   {digitalWrite(4, HIGH); } else {digitalWrite(4, LOW); }

  if  (val >=40 && val < 60 )   {digitalWrite(5, HIGH); } else {digitalWrite(5, LOW); }
  
  if  (val >=50 )   {digitalWrite(31, HIGH); } else {digitalWrite(31, LOW); }
  digitalWrite(49, HIGH);


  }