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- Project: Monitoring System
- Source Code NOT compiled for: ESP32 DevKit V1
- Source Code created on: 2024-04-23 21:52:11
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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* measure values of temperature and humidity every */
/* 10 seconds */
/****** END SYSTEM REQUIREMENTS *****/
/****** DEFINITION OF LIBRARIES *****/
#include
#include
/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t dhtsensor_DHT11_DOUT_PIN_D4 = 4;
/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
DHT dht(dhtsensor_DHT11_DOUT_PIN_D4, DHT11);
WiFiClient client;
// System Requirements: Measure values of temperature and humidity every 10 seconds
void setup(void)
{
// put your setup code here, to run once:
Serial.begin(9600);
delay(10);
dht.begin();
WiFi.begin(ssid, pass);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
}
}
void loop(void)
{
// put your main code here, to run repeatedly:
float h = dht.readHumidity();
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
return;
}
if (client.connect(server, 80)) {
String postStr = apiKey + "&field1=" + String(t) + "&field2=" + String(h) + "\r\n\r\n";
client.print("POST /update HTTP/1.1\n");
client.print("Host: api.thingspeak.com\n");
client.print("Connection: close\n");
client.print("X-THINGSPEAKAPIKEY: " + apiKey + "\n");
client.print("Content-Type: application/x-www-form-urlencoded\n");
client.print("Content-Length: ");
client.print(postStr.length());
client.print("\n\n");
client.print(postStr);
}
client.stop();
delay(10000);
}
/* END CODE */