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add the bluetooth module

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smayzy 2025-04-10 12:02:44 +02:00
parent ba0c952e3b
commit 984930cfde
1 changed files with 32 additions and 4 deletions
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36
arduino/arduino.ino
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@ -1,13 +1,41 @@
#include <SoftwareSerial.h>
#include "DHT.h" #include "DHT.h"
#define DHTPIN 2
// Bluetooth module
#define rxPin 11
#define txPin 10
SoftwareSerial mySerial(rxPin, txPin);
// DHT sensor
#define DHTPIN 9
#define DHTTYPE DHT11 #define DHTTYPE DHT11
DHT dht(DHTPIN, DHTTYPE); DHT dht(DHTPIN, DHTTYPE);
void setup() { void setup() {
Serial.begin(9600); pinMode(rxPin, INPUT);
pinMode(txPin, OUTPUT);
mySerial.begin(38400); // Bluetooth
Serial.begin(38400); // USB Serial Monitor (optional for debugging via arduino usb)
dht.begin(); dht.begin();
} }
void loop() { void loop() {
Serial.println("Temperature = " + String(dht.readTemperature())+" °C"); float temp = dht.readTemperature();
Serial.println("Humidite = " + String(dht.readHumidity())+" %"); float hum = dht.readHumidity();
String tempStr = "Temperature = " + String(temp) + " °C";
String humStr = "Humidite = " + String(hum) + " %";
// Send to Bluetooth
mySerial.println(tempStr);
mySerial.println(humStr);
// Show on Serial Monitor (for debugging)
Serial.println(tempStr);
Serial.println(humStr);
delay(10000); delay(10000);
} }