dht22
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@ -12,3 +12,8 @@
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platform = espressif8266
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platform = espressif8266
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board = esp07
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board = esp07
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framework = arduino
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framework = arduino
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lib_deps =
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SPI
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Wire
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DHT sensor library
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216
src/main.cpp
216
src/main.cpp
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#include <Arduino.h>
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#include "Arduino.h"
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#include <Ticker.h>
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#include <Adafruit_Sensor.h>
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#include <DHT.h>
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#include <DHT_U.h>
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#include "WifiManager.h"
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#define DHTPIN 3 // Digital pin connected to the DHT sensor
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// Feather HUZZAH ESP8266 note: use pins 3, 4, 5, 12, 13 or 14 --
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// Pin 15 can work but DHT must be disconnected during program upload.
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#define VERSION "v1.0"
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// Uncomment the type of sensor in use:
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//#define DHTTYPE DHT11 // DHT 11
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#define DHTTYPE DHT22 // DHT 22 (AM2302)
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//#define DHTTYPE DHT21 // DHT 21 (AM2301)
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bool allow;
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// See guide for details on sensor wiring and usage:
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bool error = false;
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// https://learn.adafruit.com/dht/overview
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/** pin config */
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DHT_Unified dht(DHTPIN, DHTTYPE);
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static const uint8_t WasserSensorPin = 14;
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static const uint8_t DruckSensorPin = 12;
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static const uint8_t SchuetzPin = 13;
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/** time config */
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uint32_t delayMS;
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static const int abschaltzeit = 7200; //sek
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static const int maxpumpdauer = 600; //sek
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// ticker fuer kein-wasser abschaltung
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Ticker status;
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//pumpendauer maximum ticker
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Ticker pumpendauer;
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int turnontime = -1;
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void pumpeSchalten(bool on) {
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// digitalWrite(4,on);
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if (on) {
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Serial.println("versuche Pumpe EIN zuschalten");
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} else {
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Serial.println("versuche Pumpe AUS zuschalten");
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}
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if (allow && !error) {
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if (on) {
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pumpendauer.once(maxpumpdauer + 1, []() { //erlaube keine einschaltung von mehr als 60 sek
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if (millis() - turnontime >= maxpumpdauer * 1000 && turnontime != -1) {
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//error zu lange
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Serial.println("\n\npumpe lief mehr als 10 Minuten durchgaengig");
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pumpeSchalten(false);
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error = true;
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}
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});
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}
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turnontime = millis();
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digitalWrite(SchuetzPin, on);
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Serial.println("[Erfolg] pumpe wird geschalten");
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} else {
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Serial.println("[FEHLGESCHLAGEN] Schalten des Schütz gesperrt durch Timeout oder Fehler-- sofortiges ausschalten der pumpe\n");
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turnontime = -1;
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digitalWrite(SchuetzPin, LOW);
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}
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}
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ICACHE_RAM_ATTR void DruckschalterInt() {
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if (digitalRead(DruckSensorPin) == HIGH) {
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//pumpe einschalten
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Serial.println("\n\nDruck Sensor EIN");
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if (digitalRead(WasserSensorPin)) {
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Serial.println("Wasser Sensor EIN");
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pumpeSchalten(true);
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} else {
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Serial.println("Wasser Sensor aus irgent einem Grund doch nicht ein -- sofort abschalten!");
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pumpeSchalten(false);
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}
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} else {
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//pumpe ausschalten
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Serial.println("\n\nDruck Sensor AUS");
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pumpeSchalten(false);
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}
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}
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int i = abschaltzeit; //todo better
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void WasserSensorCheck() {
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if (digitalRead(WasserSensorPin) == LOW) {
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Serial.println("Wasser Sensor AUS");
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//kein Wasser dh timer auf 10min stellen
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allow = false;
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Serial.println("Schalte pumpe aus");
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pumpeSchalten(false);
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Serial.println("warte 30min");
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status.detach();
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i = abschaltzeit;
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status.attach(5, []() {
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i -= 5;
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Serial.print("noch ");
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Serial.print(i);
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Serial.println(" Sekunden verbleibend");
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if (i <= 0) {
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if (digitalRead(WasserSensorPin)) {
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allow = true;
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Serial.println("Einschalten der Pumpe wieder erlaubt.");
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//pruefen ob drucksensor ein
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DruckschalterInt();
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} else {
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Serial.print("wassersensor immer noch kein Wasser --> verlaengern um 120min\n\n");
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WasserSensorCheck();
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}
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status.detach();
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}
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});
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} else {
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Serial.println("Wasser Sensor EIN");
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}
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}
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ICACHE_RAM_ATTR void WasserSensorInt() {
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WasserSensorCheck();
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}
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void setup() {
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void setup() {
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digitalWrite(SchuetzPin, LOW); //pumpe anfangs sofort abschalten
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pinMode(SchuetzPin, OUTPUT);
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, LOW);
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pinMode(WasserSensorPin, INPUT);
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pinMode(DruckSensorPin, INPUT);
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Serial.begin(9600);
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Serial.begin(9600);
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Serial.println("\n\n\n\nstartup of ESP");
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// Initialize device.
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Serial.print("Version: ");
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Serial.println("DHTxx Unified Sensor Example");
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Serial.println(VERSION);
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dht.begin();
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Serial.println(F("DHTxx Unified Sensor Example"));
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// Print temperature sensor details.
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//initial measurement of water state
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sensor_t sensor;
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delay(1000);
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dht.temperature().getSensor(&sensor);
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//allow = digitalRead(WasserSensorPin);
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Serial.println(F("------------------------------------"));
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allow = true;
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Serial.println(F("Temperature Sensor"));
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WasserSensorCheck();
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Serial.print (F("Sensor Type: ")); Serial.println(sensor.name);
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DruckschalterInt();
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Serial.print (F("Driver Ver: ")); Serial.println(sensor.version);
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Serial.print (F("Unique ID: ")); Serial.println(sensor.sensor_id);
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Serial.print (F("Max Value: ")); Serial.print(sensor.max_value); Serial.println(F("°C"));
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//anhängen der Pin-Interrupts
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Serial.print (F("Min Value: ")); Serial.print(sensor.min_value); Serial.println(F("°C"));
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attachInterrupt(digitalPinToInterrupt(DruckSensorPin), DruckschalterInt, CHANGE);
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Serial.print (F("Resolution: ")); Serial.print(sensor.resolution); Serial.println(F("°C"));
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attachInterrupt(digitalPinToInterrupt(WasserSensorPin), WasserSensorInt, CHANGE);
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Serial.println(F("------------------------------------"));
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// Print humidity sensor details.
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dht.humidity().getSensor(&sensor);
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Serial.println("startup sequence complete!\n");
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Serial.println(F("Humidity Sensor"));
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digitalWrite(LED_BUILTIN, HIGH);
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Serial.print (F("Sensor Type: ")); Serial.println(sensor.name);
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Serial.print (F("Driver Ver: ")); Serial.println(sensor.version);
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WifiManager mang = WifiManager();
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Serial.print (F("Unique ID: ")); Serial.println(sensor.sensor_id);
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mang.init();
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Serial.print (F("Max Value: ")); Serial.print(sensor.max_value); Serial.println(F("%"));
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Serial.print (F("Min Value: ")); Serial.print(sensor.min_value); Serial.println(F("%"));
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Serial.print (F("Resolution: ")); Serial.print(sensor.resolution); Serial.println(F("%"));
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Serial.println(F("------------------------------------"));
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// Set delay between sensor readings based on sensor details.
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delayMS = sensor.min_delay / 1000;
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}
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}
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void loop() {
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void loop() {
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// Delay between measurements.
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delay(delayMS);
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// Get temperature event and print its value.
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sensors_event_t event;
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dht.temperature().getEvent(&event);
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if (isnan(event.temperature)) {
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Serial.println(F("Error reading temperature!"));
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}
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else {
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Serial.print(F("Temperature: "));
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Serial.print(event.temperature);
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Serial.println(F("°C"));
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}
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// Get humidity event and print its value.
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dht.humidity().getEvent(&event);
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if (isnan(event.relative_humidity)) {
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Serial.println(F("Error reading humidity!"));
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}
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else {
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Serial.print(F("Humidity: "));
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Serial.print(event.relative_humidity);
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Serial.println(F("%"));
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}
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}
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}
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