//แจ้งเตือน DHT22 https://drive.google.com/file/d/1gEPCUOQkRUsB4IQErQfmko0XjZ3QgogE/view
//แจ้งเตือนกล่องจดหมาย https://drive.google.com/file/d/1KpVGBsARgmKzzl4IzKU7CWn0g8Zb4J-p/view
#include <WiFi.h>
#include <HTTPClient.h>
#include <DHT.h>
const char* ssid = "Wokwi-GUEST"; //ใส่ชื่อ wifi
const char* password = ""; //ใส่ Password
const char* token = "____"; //ใส่Token Line
#define DHTPIN 18 // Pin connected to DHT22
#define DHTTYPE DHT22 // DHT sensor type
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(115200);
dht.begin();
//WiFi.begin(ssid, password);
WiFi.begin("Wokwi-GUEST", "", 6);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi..."); //กำลังเชื่อมต่อ
}
Serial.println("Connected to WiFi"); //เชื่อมต่อสำเร็จ
Serial.println(" READY "); //พร้อม
}
void loop() {
if (WiFi.status() == WL_CONNECTED) {
HTTPClient http;
http.begin("https://notify-api.line.me/api/notify");
http.addHeader("Authorization", "Bearer " + String(token));
http.addHeader("Content-Type", "application/x-www-form-urlencoded");
float humidity = dht.readHumidity();
float temperature = dht.readTemperature();
//คำสั่งการทำงานของ DHT22
if (isnan(humidity) || isnan(temperature)) {
Serial.println("Failed to read from DHT sensor!"); //อ่านค่าไม่ได้
} else {
Serial.print("Humidity: ");
Serial.print(humidity);
Serial.print(" %\t");
Serial.print("Temperature: ");
Serial.print(temperature);
Serial.println(" °C");
//ถ้าอุณหภูมิมากกว่า 40
if (temperature > 40) {
http.POST("message=High temperature 🌡"); //อุณหภูมิสูง 🌡
Serial.println("High temperature message sent"); //ส่งข้อความอุณหภูมิสูงแล้ว
}
//ถ้าความชื้นมากกว่า 40
if (humidity < 40) {
http.POST("message=Low humidity 🌫"); //ความชื้นต่ำ 🌫
Serial.println("Low humidity message sent"); //ส่งข้อความความชื้นต่ำแล้ว
Serial.println("==================================");
}
}
int httpCode = http.POST("READY"); // Use an empty POST request to send only headers
if (httpCode > 0) {
String response = http.getString();
//Serial.print("HTTP Response code: ");
//Serial.println(httpCode);
//Serial.print("Server response: ");
// Serial.println(response);
} else {
Serial.println(".....");
}
http.end();
delay(3000); // Send a message and read sensor data every 5 seconds
}
}
/*DHT WITH ESP32 Wokwi.txt
กำลังแสดง DHT WITH ESP32 Wokwi.txt*/