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INF/sketch_i2c_uebung/sketch_i2c_uebung.ino

@@ -0,0 +1,38 @@
+#include <Wire.h>
+#define lm75_addr 0b1001000
+#define led_addr 0b111010
+byte data;
+
+long cast;
+
+void setup(){
+  Wire.begin();
+  Serial.begin(115200);
+}
+
+void loop(){
+  Wire.requestFrom(lm75_addr, 1);
+  if(Wire.available() >= 1){
+    data = Wire.read();
+    Serial.print("Temp: ");
+    Serial.print(data);
+    Serial.println(" ");
+
+    Wire.beginTransmission(led_addr);
+    
+    cast = map(data, 25, 43, 1, 8);
+    // Geht nicht
+    /*switch(data){
+      case 25: cast = 0b01111111;
+    }
+    */
+
+    Serial.print("cast: ");
+    Serial.print(cast);
+    Serial.println(" ");
+    Wire.write(cast, );
+
+    Wire.endTransmission();
+    delay(500);
+  }
+}