2 Commits

Author SHA1 Message Date
Yannick van Etten
4c5cea71b2 Restructure want de vorige was niet goed gegaan 2024-12-10 13:59:39 +01:00
Yannick van Etten
dcd3f1006d restructure en code toegevoegd voor mqtt 2024-12-10 13:30:42 +01:00
3 changed files with 95 additions and 59 deletions

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@@ -0,0 +1,95 @@
#include <DHT.h>
#include <Wire.h>
#include "Adafruit_SGP30.h"
#include <WiFi.h>
#include <PubSubClient.h>
Adafruit_SGP30 sgp;
// Definieert de pins voor de sensoren
#define DHTPIN 4
#define DHTTYPE DHT11
#define MQ5_PIN 2
#define SDA_PIN 10
#define SCL_PIN 11
DHT dht(DHTPIN, DHTTYPE);
// WiFi en MQTT instellingen
const char* ssid = "iotroam";
const char* password = "6LAFiQVnUO";
const char* mqtt_server = "Ip adres rasperry pi";
const char* mqtt_topic = "sensors/data";
// MQTT client
WiFiClient espClient;
PubSubClient client(espClient);
// Functie om verbinding te maken met WiFi
void setup_wifi() {
delay(10);
Serial.println("Verbinden met WiFi...");
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("\nWiFi verbonden!");
}
// Callback voor MQTT (niet gebruikt in deze toepassing, maar vereist)
void callback(char* topic, byte* payload, unsigned int length) {
// Hier kun je reageren op inkomende MQTT-berichten
}
void setup() {
// Start de seriële monitor
Serial.begin(9600);
dht.begin();
pinMode(MQ5_PIN, INPUT);
Wire.begin(SDA_PIN, SCL_PIN);
Serial.println("SGP30 test");
// Verbind met WiFi en MQTT-broker
setup_wifi();
client.setServer(mqtt_server, 1883);
client.setCallback(callback);
}
void loop() {
float h = dht.readHumidity();
float t = dht.readTemperature();
int mq5Value = analogRead(MQ5_PIN);
// Check of de sensorwaarden geldig zijn
if (isnan(h) || isnan(t) || isnan(mq5Value)) {
Serial.println("Fout bij het lezen van de sensors!");
return;
}
if (! sgp.IAQmeasure()) {
Serial.println("Measurement failed");
return;
}
// Print de sensorwaarden naar de seriële monitor
Serial.print("Luchtvochtigheid: ");
Serial.print(h);
Serial.print(" %\tTemperatuur: ");
Serial.print(t);
Serial.println(" *C");
Serial.print("MQ5 waarde: ");
Serial.println(mq5Value);
Serial.print("TVOC "); Serial.print(sgp.TVOC); Serial.print(" ppb\t");
Serial.print("eCO2 "); Serial.print(sgp.eCO2); Serial.println(" ppm");
delay(500);
}

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@@ -1,59 +0,0 @@
#include <DHT.h>
#include <Wire.h>
#include "Adafruit_SGP30.h"
Adafruit_SGP30 sgp;
// define pins and type of DHT sensor
#define DHTPIN 4
#define DHTTYPE DHT11
#define MQ5_PIN 2
#define SDA_PIN 10
#define SCL_PIN 11
DHT dht(DHTPIN, DHTTYPE);
void setup() {
//initialize serial communication and the sensors
Serial.begin(9600);
dht.begin();
pinMode(MQ5_PIN, INPUT);
Wire.begin(SDA_PIN, SCL_PIN);
Serial.println("SGP30 test");
}
void loop() {
float h = dht.readHumidity();
float t = dht.readTemperature();
int mq5Value = analogRead(MQ5_PIN);
// if sensor isn't connected properly display error message
if (isnan(h) || isnan(t) || isnan(mq5Value)) {
Serial.println("Fout bij het lezen van de sensors!");
return;
}
if (! sgp.IAQmeasure()) {
Serial.println("Measurement failed");
return;
}
// puts sensor values in the serial monitor
Serial.print("Luchtvochtigheid: ");
Serial.print(h);
Serial.print(" %\tTemperatuur: ");
Serial.print(t);
Serial.println(" *C");
Serial.print("MQ5 waarde: ");
Serial.println(mq5Value);
Serial.print("TVOC "); Serial.print(sgp.TVOC); Serial.print(" ppb\t");
Serial.print("eCO2 "); Serial.print(sgp.eCO2); Serial.println(" ppm");
delay(500);
}