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f021ebebcb
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d865a50951
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d865a50951 | ||
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d7a643460c |
@@ -3,6 +3,9 @@
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#include "Adafruit_SGP30.h"
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#include "Adafruit_SGP30.h"
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#include <WiFi.h>
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#include <WiFi.h>
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#include <PubSubClient.h>
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#include <PubSubClient.h>
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#include <ArduinoWebsockets.h>
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using namespace websockets;
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Adafruit_SGP30 sgp;
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Adafruit_SGP30 sgp;
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@@ -18,86 +21,83 @@ Adafruit_SGP30 sgp;
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DHT dht(DHTPIN, DHTTYPE);
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DHT dht(DHTPIN, DHTTYPE);
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// WiFi en MQTT instellingen
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// WiFi en MQTT instellingen
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const char* ssid = "iotroam";
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const char* ssid = "Akkerboulevard";
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const char* password = "6LAFiQVnUO";
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const char* password = "aadvanetten";
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const char* mqtt_server = "Ip adres rasperry pi";
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const char* mqtt_server = "192.168.68.104";
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const int mqtt_port = 8080; //websocket-poort
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const char* mqtt_topic = "sensors/data";
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const char* mqtt_topic = "sensors/data";
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// MQTT client
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// MQTT client
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WiFiClient espClient;
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WiFiClient espClient;
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WebsocketsClient websocket;
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PubSubClient client(espClient);
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PubSubClient client(espClient);
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// Functie om verbinding te maken met WiFi
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// Functie om verbinding te maken met WiFi
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void setup_wifi() {
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void setup_wifi() {
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delay(10);
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Serial.print("Verbinden met WiFi...");
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Serial.println("Verbinden met WiFi...");
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WiFi.begin(ssid, password);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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delay(500);
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Serial.print(".");
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Serial.print(".");
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}
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}
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Serial.println("\nWiFi verbonden!");
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Serial.println("Verbonden!");
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}
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}
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// Callback voor MQTT (niet gebruikt in deze toepassing, maar vereist)
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void reconnectMQTT() {
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void callback(char* topic, byte* payload, unsigned int length) {
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while (!client.connected()) {
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// Hier kun je reageren op inkomende MQTT-berichten
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Serial.print("Verbinding maken met MQTT via WebSockets...");
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if (client.connect("ESP32Client")) {
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Serial.println("Verbonden!");
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} else {
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Serial.print("Fout: ");
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Serial.print(client.state());
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delay(5000);
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}
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}
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}
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}
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void setup() {
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void setup() {
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// Start de seriële monitor
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// Start de seriële monitor
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Serial.begin(9600);
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Serial.begin(9600);
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dht.begin();
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dht.begin();
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pinMode(MQ5_PIN, INPUT);
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pinMode(MQ5_PIN, INPUT);
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Wire.begin(SDA_PIN, SCL_PIN);
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Wire.begin(SDA_PIN, SCL_PIN);
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Serial.println("SGP30 test");
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Serial.println("SGP30 test");
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// Verbind met WiFi en MQTT-broker
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// Verbind met WiFi en MQTT-broker
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setup_wifi();
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setup_wifi();
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client.setServer(mqtt_server, 1883);
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// Stel MQTT-broker in met websockets
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client.setServer(mqtt_server, mqtt_port);
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reconnectMQTT();
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client.setCallback(callback);
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client.setCallback(callback);
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}
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}
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void reconnect() {
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// Herstel verbinding met MQTT-broker
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while (!client.connected()) {
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Serial.print("Verbinding maken met MQTT...");
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if (client.connect("ArduinoClient")) {
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Serial.println("Verbonden!");
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} else {
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Serial.print("Fout, rc=");
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Serial.print(client.state());
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Serial.println(" Probeer opnieuw over 5 seconden...");
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delay(5000);
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}
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}
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}
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void loop() {
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void loop() {
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// Zorg ervoor dat MQTT verbonden blijft
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// Zorg ervoor dat MQTT verbonden blijft
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if (!client.connected()) {
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if (!client.connected()) {
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reconnect();
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reconnectMQTT();
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}
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}
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client.loop();
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client.loop();
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float h = dht.readHumidity();
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float h = dht.readHumidity();
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float t = dht.readTemperature();
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float t = dht.readTemperature();
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int mq5Value = analogRead(MQ5_PIN);
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int mq5Value = analogRead(MQ5_PIN);
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// Check of de sensorwaarden geldig zijn
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// Check of de sensorwaarden geldig zijn
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if (isnan(h) || isnan(t) || isnan(mq5Value)) {
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if (isnan(h) || isnan(t) || isnan(mq5Value)) {
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Serial.println("Fout bij het lezen van de sensors!");
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Serial.println("Fout bij het lezen van de sensors!");
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return;
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return;
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}
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}
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if (! sgp.IAQmeasure()) {
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if (! sgp.IAQmeasure()) {
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Serial.println("Measurement failed");
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Serial.println("Measurement failed");
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return;
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return;
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}
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}
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// Maak een JSON-payload
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// Maak een JSON-payload
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String payload = "{";
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String payload = "{";
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@@ -117,4 +117,4 @@ void loop() {
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// Wacht 5 seconden voor de volgende meting
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// Wacht 5 seconden voor de volgende meting
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delay(5000);
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delay(5000);
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}
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}
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