Files
J1B3-Sensor-boxes/docs/LearningProcessBram/ArduinoExperience/NodeWithWebConnection.ino
2024-03-27 14:36:59 +01:00

86 lines
1.9 KiB
C++

#include "DHT.h"
#include <WiFi.h>
#include <WiFiMulti.h>
#include <WebSocketsClient.h>
#define DHTPIN 4
#define DHTTYPE DHT11
uint8_t h;
uint8_t t;
uint16_t interval = 5000;
unsigned long currentMillis;
unsigned long lastMillis;
WiFiMulti wifiMulti;
WebSocketsClient webSocket;
DHT dht(DHTPIN, DHTTYPE);
void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
// Handle WebSocket events here if needed
}
void setup() {
Serial.begin(9600);
Serial.println(F("DHTxx test!"));
dht.begin();
wifiMulti.addAP("iotroam", "sGMINiJDcU");
wifiMulti.addAP("Ziggo6565749", "Ziggobroek1@");
Serial.println("Connecting Wifi...");
if (wifiMulti.run() == WL_CONNECTED) {
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
// Connect to WebSocket server
webSocket.begin("145.92.8.114", 80, "/ws"); // Replace with your Raspberry Pi's IP address and port
webSocket.onEvent(webSocketEvent);
webSocket.setReconnectInterval(500);
}
}
void loop() {
// update when interval is met
if (currentMillis - lastMillis >= interval){
lastMillis = millis();
update();
}
// update the counter
currentMillis = millis();
float h = dht.readHumidity();
// Read temperature as Celsius (the default)
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
// Compute heat index in Celsius (isFahrenheit = false)
float hic = dht.computeHeatIndex(t, h, false);
Serial.print(F("Humidity: "));
Serial.print(h);
Serial.print(F("% Temperature: "));
Serial.print(t);
Serial.print(F("°C "));
Serial.print(hic);
Serial.print(F("°C "));
// Ensure WebSocket communication
webSocket.loop();
}
void update(){
webSocket.sendTXT("{\"node\": \"" + String(WiFi.macAddress()) + "\", \"Temp\":\"" + String(t) + "\",\"Humi\":\"" + String(h) + "\"}");
}