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38 lines
798 B
38 lines
798 B
6 years ago
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/*
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* Simple code to test the temperature sensor function and electrical connections.
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*/
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#include <DHT.h>
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// Type of DHT sensor used is 11
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#define DHTTYPE DHT11
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#define DHTPIN 2
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// Initializes DHT sensor
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DHT dht(DHTPIN, DHTTYPE);
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/* ===== SETUP AND LOOP ===== */
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void setup() {
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// Starts the serial com with PC
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Serial.begin(9600);
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Serial.println("Running setup function");
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dht.begin();
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}
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void loop() {
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// Reads temperature as Celsius
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float temperature = dht.readTemperature();
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// Checks if the read failed and handles the failure
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if (isnan(temperature)) {
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Serial.print(F("Failed to read from DHT sensor!"));
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}
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Serial.print(F("Temperature: "));
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Serial.print(temperature);
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Serial.println(F("°C "));
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// Waits a few seconds between measurements.
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delay(1000);
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}
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