setup basic temperature sample

platformio.ini

@@ -15,4 +15,6 @@ framework = arduino
 
 lib_deps =
   # ID of Lightsensor library BH1750 
-  439
+  439
+  DHT sensor library
+  Adafruit Unified Sensor

src/header.h

@@ -7,6 +7,10 @@
 #include <Arduino.h>
 #include <Wire.h>
 #include <BH1750.h>
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+#include <DHT_U.h>
+
 
 extern int meineVariable;
 

src/main.cpp

@@ -8,6 +8,7 @@ void setup() {
   Serial.begin(9600);
   setupCapacitiveSoilMoistureSensor();
   setupLightSensor();
+  setupTemperatureSensor();
 }
 
 void loop() {

src/temperatureSensor.cpp

@@ -0,0 +1,67 @@
+#include <header.h>
+
+#define DHTPIN 4
+
+#define DHTTYPE    DHT11     // DHT 11
+
+
+DHT_Unified dht(DHTPIN, DHTTYPE);
+
+uint32_t delayMS;
+
+void setupTemperatureSensor() {
+  Serial.begin(9600);
+  // Initialize device.
+  dht.begin();
+  Serial.println(F("DHT11 Unified Sensor Example"));
+  // Print temperature sensor details.
+  sensor_t sensor;
+  dht.temperature().getSensor(&sensor);
+  Serial.println(F("------------------------------------"));
+  Serial.println(F("Temperature Sensor"));
+  Serial.print  (F("Sensor Type: ")); Serial.println(sensor.name);
+  Serial.print  (F("Driver Ver:  ")); Serial.println(sensor.version);
+  Serial.print  (F("Unique ID:   ")); Serial.println(sensor.sensor_id);
+  Serial.print  (F("Max Value:   ")); Serial.print(sensor.max_value); Serial.println(F("°C"));
+  Serial.print  (F("Min Value:   ")); Serial.print(sensor.min_value); Serial.println(F("°C"));
+  Serial.print  (F("Resolution:  ")); Serial.print(sensor.resolution); Serial.println(F("°C"));
+  Serial.println(F("------------------------------------"));
+  // Print humidity sensor details.
+  dht.humidity().getSensor(&sensor);
+  Serial.println(F("Humidity Sensor"));
+  Serial.print  (F("Sensor Type: ")); Serial.println(sensor.name);
+  Serial.print  (F("Driver Ver:  ")); Serial.println(sensor.version);
+  Serial.print  (F("Unique ID:   ")); Serial.println(sensor.sensor_id);
+  Serial.print  (F("Max Value:   ")); Serial.print(sensor.max_value); Serial.println(F("%"));
+  Serial.print  (F("Min Value:   ")); Serial.print(sensor.min_value); Serial.println(F("%"));
+  Serial.print  (F("Resolution:  ")); Serial.print(sensor.resolution); Serial.println(F("%"));
+  Serial.println(F("------------------------------------"));
+  // Set delay between sensor readings based on sensor details.
+  delayMS = sensor.min_delay / 1000;
+}
+
+void loopTemperatureSensor() {
+  // Delay between measurements.
+  delay(delayMS);
+  // Get temperature event and print its value.
+  sensors_event_t event;
+  dht.temperature().getEvent(&event);
+  if (isnan(event.temperature)) {
+    Serial.println(F("Error reading temperature!"));
+  }
+  else {
+    Serial.print(F("Temperature: "));
+    Serial.print(event.temperature);
+    Serial.println(F("°C"));
+  }
+  // Get humidity event and print its value.
+  dht.humidity().getEvent(&event);
+  if (isnan(event.relative_humidity)) {
+    Serial.println(F("Error reading humidity!"));
+  }
+  else {
+    Serial.print(F("Humidity: "));
+    Serial.print(event.relative_humidity);
+    Serial.println(F("%"));
+  }
+}