diff --git a/blinker_uebung/blinker_uebung.ino b/blinker_uebung/blinker_uebung.ino
new file mode 100644
index 0000000..996662d
--- /dev/null
+++ b/blinker_uebung/blinker_uebung.ino
@@ -0,0 +1,130 @@
+#include <FVS.h>
+
+hw_timer_t* timer0 = NULL;
+
+int blink_link[8] = { 1, 3, 7, 15, 31, 63, 127, 255 };
+int blink_rechts[8] = { 128, 192, 224, 240, 248, 252, 254, 255 };
+
+int zustand = 0;
+
+int wert = 0;
+
+int a = 0;
+int b = 0;
+
+void setup() {
+  portMode(1, OUTPUT);
+  portMode(0, INPUT);
+  portWrite(1, LOW);
+
+  attachInterrupt(digitalPinToInterrupt(34), isr_T0, FALLING);
+  attachInterrupt(digitalPinToInterrupt(35), isr_T1, FALLING);
+  attachInterrupt(digitalPinToInterrupt(36), isr_T2, FALLING);
+
+  timer0 = timerBegin(0, 80, true);
+  timerAttachInterrupt(timer0, &isr_timer0, true);
+  timerAlarmWrite(timer0, 200000, true);
+  timerAlarmEnable(timer0);
+
+  Tft.begin();
+}
+
+void loop() {
+
+  wert = map(analogRead(39), 0, 4095, 0, 3);
+  Tft.setCursorCharacter(6,1);
+  Tft.print(wert);
+  zustand = wert;
+
+
+  switch (zustand) {
+    case 0:
+      portWrite(1, LOW);
+      Tft.setCursorCharacter(1, 1);
+
+      Tft.print("                ");
+      break;
+    case 1:
+      Tft.setCursorCharacter(1, 1);
+
+      Tft.print("Links Blinken");
+      delay(200);
+      Tft.setCursorCharacter(1, 1);
+      Tft.print("                        ");
+      delay(200);
+
+      break;
+    case 2:
+      Tft.setCursorCharacter(1, 1);
+
+      Tft.print("Rechts Blinken");
+      delay(200);
+      Tft.setCursorCharacter(1, 1);
+      Tft.print("                        ");
+      delay(200);
+
+
+      break;
+    case 3:
+      Tft.setCursorCharacter(1, 1);
+
+      Tft.print("Warnblinker");
+      portWrite(1, 255);
+      delay(200);
+      Tft.setCursorCharacter(1, 1);
+
+      Tft.print("               ");
+      portWrite(1, 0);
+      delay(200);
+
+      break;
+  }
+}
+
+
+void isr_T0() {
+  if (!(zustand == 2)) {
+    if (zustand != 1) {
+      zustand = 1;
+    } else {
+      zustand = 0;
+    }
+  }
+}
+
+void isr_T1() {
+  if (!(zustand == 1)) {
+    if (zustand != 2) {
+      zustand = 2;
+    } else {
+      zustand = 0;
+    }
+  }
+}
+
+void isr_T2() {
+  if (zustand != 3) {
+    zustand = 3;
+  } else {
+    zustand = 0;
+  }
+}
+
+void isr_timer0() {
+  if (zustand == 1) {
+    portWrite(1, blink_link[a]);
+    if (a < 7) {
+      a++;
+    } else {
+      a = 0;
+    }
+  }
+  if (zustand == 2) {
+    portWrite(1, blink_rechts[b]);
+    if (b < 7) {
+      b++;
+    } else {
+      b = 0;
+    }
+  }
+}
\ No newline at end of file