#include #include //#include #include Adafruit_HTU21DF htu = Adafruit_HTU21DF(); bool F_HTU_21D; float K_HTU= -0.00; struct { char temperature[15] = {0}; char humity[15] = {0}; } htuData; void init_HTU21(){ F_HTU_21D = false; if (!htu.begin()) { Serial.println("Couldn't find sensor HUT21D!"); }else{ F_HTU_21D = true; Serial.println("HUT21D gefunden"); } } void read_HTU21D() { float t = htu.readTemperature(); t = t + KorrekturTemperatur; dtostrf(t,7,1,htuData.temperature); float h = htu.readHumidity(); dtostrf(h,7,1,htuData.humity); Serial.print("Temperature (HTU21D):\t"); Serial.print(htuData.temperature); Serial.println(" °C"); Serial.print("Luftfeuchtigkeit:\t"); Serial.print(htuData.humity); Serial.println(" %"); }