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- Project: Sensor Readings
- Source Code compiled for: ESP32 DevKit V1
- Source Code created on: 2024-02-27 09:05:22
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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* print tempature value in serial monitor */
/****** END SYSTEM REQUIREMENTS *****/
/****** DEFINITION OF LIBRARIES *****/
#include "DHT.h"
/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t dht_DHT11_DOUT_PIN_D4 = 4;
/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
DHT dht(dht_DHT11_DOUT_PIN_D4, DHT11); // Create DHT object
void setup(void)
{
// put your setup code here, to run once:
pinMode(dht_DHT11_DOUT_PIN_D4, INPUT_PULLUP);
dht.begin(); // Initialize DHT sensor
// Add any other setup code here
}
void loop(void)
{
// put your main code here, to run repeatedly:
// Read temperature and humidity from DHT sensor
float temperature = dht.readTemperature();
float humidity = dht.readHumidity();
// Check if temperature and humidity values are valid
if (isnan(temperature) || isnan(humidity))
{
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
// Print temperature and humidity values to serial monitor
Serial.print(F("Temperature: "));
Serial.print(temperature);
Serial.print(F("°C, Humidity: "));
Serial.print(humidity);
Serial.println(F("%"));
// Add your code to process temperature and humidity values
delay(2000); // Delay for 2 seconds before next reading
}