diff --git a/platformio.ini b/platformio.ini
index 8c6380d..e9ac2cd 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -16,4 +16,5 @@ monitor_speed=115200
 lib_deps =
   # The exact version
   adafruit/Adafruit MAX31865 library @ 1.6.2
-  adafruit/Adafruit Unified Sensor @ 1.1.14
\ No newline at end of file
+  adafruit/Adafruit Unified Sensor @ 1.1.14
+  adafruit/Adafruit SSD1306 @ 2.5.12
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 11f7d79..2fa1f11 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -42,8 +42,61 @@ Adafruit_MAX31865 thermo = Adafruit_MAX31865(5, 23, 19, 18);
 
 int LED_Blue = 2;
 
+#include <SPI.h>
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+
+#define SCREEN_WIDTH 128 // OLED display width, in pixels
+#define SCREEN_HEIGHT 64 // OLED display height, in pixels
+
+// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
+#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
+Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
+
+#define NUMFLAKES     10 // Number of snowflakes in the animation example
+
+void drawIST(float wert){
+  char msgt[20];
+  String mw;
+  dtostrf(wert, 6, 2, msgt);
+  mw = msgt;
+  display.clearDisplay();
+  display.setCursor(0,0);             // Start at top-left corner
+  display.println("--PT1000--");
+  display.setCursor(0,32);  // Zeile 2
+  display.setTextSize(1);
+  display.setTextColor(WHITE);
+  display.println("Temperatur:");
+  display.setCursor(20,48);  // Zeile 3
+  display.setTextSize(2);
+  mw.replace('.',',');
+  display.print(mw);
+  display.setTextSize(1);
+  display.print(" o");
+  display.setTextSize(2);
+  display.println("C");
+  display.display();
+}
+
 void setup() {
   Serial.begin(115200);
+  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
+  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
+    Serial.println(F("SSD1306 allocation failed"));
+    for(;;); // Don't proceed, loop forever
+  }
+  display.display();
+  delay(2000); // Pause for 2 seconds
+
+  // Clear the buffer
+  display.clearDisplay();
+  display.setTextSize(2);             // Normal 1:1 pixel scale
+  display.setTextColor(WHITE);        // Draw white text
+  display.setCursor(0,0);             // Start at top-left corner
+  display.println("--PT1000--");
+  display.display();
+
   pinMode (LED_Blue, OUTPUT);
   digitalWrite (LED_Blue, HIGH);
   Serial.println("Adafruit MAX31865 PT100 Sensor Test!");
@@ -62,6 +115,17 @@ void loop() {
   Serial.print("Resistance = "); Serial.println(RREF*ratio,8);
   Serial.print("Temperature = "); Serial.println(thermo.temperature(RNOMINAL, RREF));
 
+  /* display.clearDisplay();
+  display.setCursor(0,0);             // Start at top-left corner
+  display.println("--PT1000--");
+  display.setCursor(0,32);             // Start at top-left corner
+  display.println(thermo.temperature(RNOMINAL, RREF));
+  display.display(); */
+
+  drawIST(thermo.temperature(RNOMINAL, RREF));
+  
+
+
   // Check and print any faults
   uint8_t fault = thermo.readFault();
   if (fault) {