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


#define OLED_RESET 4
#define MenuButton 2

Adafruit_SSD1306 display(OLED_RESET);

const long interval = 500;
const long interval_1 = 1000;
unsigned long previousMillis = 0;
unsigned long previousMillis_1 = 0;
unsigned long currentMillis;
unsigned long currentMillis_1;

int counter=0;

float Messwert;
int z = 0;


void setup() {

Serial.begin(9600);
  display.begin(SSD1306_SWITCHCAPVCC);
  display.setTextColor(WHITE);
}

void loop()
          {

          for ( z=0 ; z<6 ; z++)
                       {


                            currentMillis = millis();
                        if (currentMillis - previousMillis >= interval)
                          {
                           previousMillis = currentMillis;
                           display.clearDisplay();
                           display.setTextSize(3.5);
                           display.setCursor(23, 9);
                           display.println(Messwert);
                           counter++;
                           TEXT_BAR();
                           display.display();
                          }

                            currentMillis_1 = millis();
                        if (currentMillis_1 - previousMillis_1 >= interval_1)
                           {
                            previousMillis_1 = currentMillis_1;
                            display.setTextSize(3.5);
                            display.setCursor(23, 9);
                            display.clearDisplay();
                            counter++;
                            EINHEIT();
                            display.display();
                            }
                          }

           }


void EINHEIT()
              {
               display.setTextSize(1.5);
               display.setCursor(108, 23);
               display.println(counter);
              }