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2025-05-1600

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hans-jurgen
2025-05-16 08:03:01 +02:00
parent 831c3830a5
commit 1b337209e0
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32
include/mess_HTU21D.h Normal file
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#include "Adafruit_HTU21DF.h"
Adafruit_HTU21DF htu = Adafruit_HTU21DF();
struct {
char temperature[15] = {0};
char humity[15] = {0};
} htuData;
void init_HTU21(){
if (!htu.begin()) {
Serial.println("Couldn't find sensor HUT21D!");
while (1);
}
Serial.println("HUT21D gefunden");
}
void read_HTU21D() {
float t = htu.readTemperature();
dtostrf(t,10,4,htuData.temperature);
float h = htu.readHumidity();
dtostrf(h,8,2,htuData.humity);
}
void M2M_HTU21D(long deviceId = 4711) {
char topic[100];
sprintf(topic, "%s%ld%s", "hjk/devices/", deviceId, "/telemetry/temperature_Htu_21" );
client.publish(topic, htuData.temperature, true);
sprintf(topic, "%s%ld%s", "hjk/devices/", deviceId, "/telemetry/humity" );
client.publish(topic, htuData.humity, true);
Serial.printf("HTU21:\t\t %s °C\n", htuData.temperature);
Serial.printf("HTU21:\t\t %s %% \n", htuData.humity);