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43 lines
1.2 KiB
Arduino
43 lines
1.2 KiB
Arduino
2 years ago
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// Example testing sketch for various DHT humidity/temperature sensors
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// Written by ladyada, public domain
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// Modified by Timm Bogner for Farm Data Relay System -- Untested because I don't have a DHT sensor onhand.
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2 years ago
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#include "sensor_setup.h"
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#include <fdrs_sensor.h>
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2 years ago
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#include "DHT.h"
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#define DHTPIN 2 // Digital pin connected to the DHT sensor
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// Uncomment whatever type you're using!
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//#define DHTTYPE DHT11 // DHT 11
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#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321
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//#define DHTTYPE DHT21 // DHT 21 (AM2301)
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DHT dht(DHTPIN, DHTTYPE);
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void setup() {
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beginFDRS();
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DBG("DHTxx Sketch!");
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dht.begin();
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}
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void loop() {
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// Wait a few seconds between measurements.
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// Reading temperature or humidity takes about 250 milliseconds!
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// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
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float h = dht.readHumidity();
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// Read temperature as Celsius (the default)
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float t = dht.readTemperature();
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// Check if any reads failed and exit early (to try again).
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if (isnan(h) || isnan(t)) {
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DBG("Failed to read from DHT sensor!");
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return;
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}
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loadFDRS(h, HUMIDITY_T);
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loadFDRS(t, TEMP_T);
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sendFDRS();
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sleepFDRS(10); //Sleep time in seconds
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}
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