diff --git a/INF/i2c/i2c.ino b/INF/i2c/i2c.ino
new file mode 100644
index 0000000..fc5fa2c
--- /dev/null
+++ b/INF/i2c/i2c.ino
@@ -0,0 +1,26 @@
+#include "Wire.h"
+// absch -> Abschreiben
+
+void setup() {
+  Wire.begin();
+  Serial.begin(115200);
+}
+
+void loop() {
+  // Daten senden
+  // 0b um in 0 und 1 zu schreiben ansonsten Hex
+  // 0111 <- absch. 0000 <- Jumper ablesen
+  Wire.beginTransmission(0b0111000); 
+  //Wire.write(0b00001111); // da LED LOW Active 0->AN, 1->AUS; mann muss 8 Bits machen
+  //Wire.endTransmission();
+  delay(500);
+
+  // Daten empfangen
+  byte Daten1; // 1 Byte deklarieren
+  Wire.requestFrom(0b0100110, 1);
+  if (Wire.available() >= 1){
+    Daten1 = Wire.read(); // Daten lesen
+    Wire.write(Daten1);
+  }
+  Wire.endTransmission();
+}
diff --git a/INF/pwm_lernen/pwm_lernen.ino b/INF/pwm_lernen/pwm_lernen.ino
new file mode 100644
index 0000000..e9a22e9
--- /dev/null
+++ b/INF/pwm_lernen/pwm_lernen.ino
@@ -0,0 +1,9 @@
+void setup() {
+  // put your setup code here, to run once:
+  ledcAttach(12, 50, 10);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  ledcWrite(12, )
+}
diff --git a/progp/25-2-6/buuble-sort.py b/progp/25-2-6/buuble-sort.py
new file mode 100644
index 0000000..c919078
--- /dev/null
+++ b/progp/25-2-6/buuble-sort.py
@@ -0,0 +1,9 @@
+arr_test = [4,5,9,1,3]
+
+for i in range(len(arr_test)):
+    if arr_test[i] > arr_test[i + 1]:
+        temp = arr_test[i]
+        arr_test[i] = arr_test[i + 1]
+        arr_test[i + 1] = temp
+
+print(arr_test)
\ No newline at end of file