#include "DHT.h" #define DHTPIN 8 //used to control the relays #define DHTPIN2 9 // what digital pin we're connected to // Uncomment whatever type you're using! //#define DHTTYPE DHT11 // DHT 11 #define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321 //#define DHTTYPE DHT21 // DHT 21 (AM2301) // Connect pin 1 (on the left) of the sensor to +5V // NOTE: If using a board with 3.3V logic like an Arduino Due connect pin 1 // to 3.3V instead of 5V! // Connect pin 2 of the sensor to whatever your DHTPIN is // Connect pin 4 (on the right) of the sensor to GROUND // Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor // Initialize DHT sensor. DHT dht(DHTPIN, DHTTYPE); //used to control the relays DHT dht2(DHTPIN2, DHTTYPE); float maxTemp = 20; float maxHum = 30; int tempRelayPin = 2; int humRelayPin = 3; void setup() { Serial.begin(9600); pinMode(tempRelayPin, OUTPUT); pinMode(humRelayPin, OUTPUT); heaterOFF(); humOFF(); dht.begin(); dht2.begin(); } void loop() { // Wait a few seconds between measurements. delay(1000); float h = dht.readHumidity(); float t = dht.readTemperature(); if (isnan(h) || isnan(t)) { h = 0; t = 0; } float h2 = dht2.readHumidity(); float t2 = dht2.readTemperature(); if (isnan(h2) || isnan(t2)) { h2 = 0; t2 = 0; } if (t