Send a Telegram message using ESP32

 Send a Telegram message using ESP32

<<WOKWI ESP32程式>>

#include <WiFi.h>

#include <WiFiClientSecure.h>

#include <UniversalTelegramBot.h>

// --- WiFi Configuration ---

const char* ssid = "Wokwi-GUEST"; // Replace with your network credentials

const char* password = "";

// --- Telegram Bot Configuration ---

#define BOTtoken "801227100986:AAGymymK9_d1HcTGJWl3mtqHmilxB64_5Zw" // your Bot Token (Get from Botfather)

#define CHAT_ID "7925218469"

//需修改

WiFiClientSecure client;

UniversalTelegramBot bot(BOTtoken, client);

// Task handle for the periodic message task

TaskHandle_t messageTaskHandle = NULL;

// Function for the periodic message task

void sendPeriodicMessage(void *pvParameters) {

  for (;;) {

    bot.sendMessage(CHAT_ID, "Hello World!");

    Serial.println("bot.sendMessage Hello World!");

    vTaskDelay(pdMS_TO_TICKS(20000)); // Delay for 20 seconds

  }

}

void setup() {

  Serial.begin(115200);

  // Connect to Wi-Fi

  WiFi.mode(WIFI_STA);

  WiFi.begin(ssid, password);

  client.setCACert(TELEGRAM_CERTIFICATE_ROOT); // For ESP32/ESP8266

  while (WiFi.status() != WL_CONNECTED) {

    delay(500);

    Serial.print(".");

  }

  Serial.println("");

  Serial.println("WiFi connected");

  // Create the periodic message task

  // INCREASE STACK SIZE HERE from 2048 to something larger, e.g., 4096 or 8192

  xTaskCreate(

    sendPeriodicMessage,     // Task function

    "MessageTask",           // Name of the task

    4096,                    // <--- INCREASED STACK SIZE (try 4096 first, if still error, try 8192)

    NULL,                    // Parameter to pass to the task

    1,                       // Priority (0 is the lowest)

    &messageTaskHandle       // Task handle

  );

}

void loop() {

  // FreeRTOS tasks manage their own scheduling, so the loop can be empty.

}