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Fixing up Echo example for ESP32 and adding send photo by URL
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‎examples/ESP32/EchoBot/EchoBot.ino

Lines changed: 40 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,43 @@
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/*******************************************************************
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* An example of bot that echos back any messages received *
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* *
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* written by Giacarlo Bacchio (Gianbacchio on Github) *
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* adapted by Brian Lough *
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*******************************************************************/
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A telegram bot for your ESP32 that responds
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with whatever message you send it.
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Parts:
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ESP32 D1 Mini stlye Dev board* - http://s.click.aliexpress.com/e/C6ds4my
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(or any ESP32 board)
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= Affilate
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If you find what I do useful and would like to support me,
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please consider becoming a sponsor on Github
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https://github.com/sponsors/witnessmenow/
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Written by Brian Lough
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YouTube: https://www.youtube.com/brianlough
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Tindie: https://www.tindie.com/stores/brianlough/
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Twitter: https://twitter.com/witnessmenow
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*******************************************************************/
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// ----------------------------
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// Standard ESP32 Libraries
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// ----------------------------
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#include <WiFi.h>
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#include <WiFiClientSecure.h>
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// ----------------------------
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// Additional Libraries - each one of these will need to be installed.
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// ----------------------------
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#include <UniversalTelegramBot.h>
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#include <ArduinoJson.h>
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// Library used for parsing Json from the API responses
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// Search for "Arduino Json" in the Arduino Library manager
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// https://github.com/bblanchon/ArduinoJson
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// Initialize Wifi connection to the router
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char ssid[] = "XXXXXX"; // your network SSID (name)
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char password[] = "YYYYYY"; // your network key
@@ -18,8 +48,9 @@ char password[] = "YYYYYY"; // your network key
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WiFiClientSecure client;
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UniversalTelegramBot bot(BOTtoken, client);
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int Bot_mtbs = 1000; //mean time between scan messages
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long Bot_lasttime; //last time messages' scan has been done
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//Checks for new messages every 1 second.
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int botRequestDelay = 1000;
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unsigned long lastTimeBotRan;
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void setup() {
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Serial.begin(115200);
@@ -45,7 +76,7 @@ void setup() {
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}
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void loop() {
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if (millis() > Bot_lasttime + Bot_mtbs) {
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if (millis() > lastTimeBotRan + botRequestDelay) {
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int numNewMessages = bot.getUpdates(bot.last_message_received + 1);
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while(numNewMessages) {
@@ -56,6 +87,6 @@ void loop() {
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numNewMessages = bot.getUpdates(bot.last_message_received + 1);
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}
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Bot_lasttime = millis();
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lastTimeBotRan = millis();
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}
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}

‎examples/ESP32/SendPhoto/PhotoFromURL/PhotoFromURL.ino

Lines changed: 119 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,119 @@
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/*******************************************************************
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A telegram bot for your ESP32 that demonstrates sending an image
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from URL.
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Parts:
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ESP32 D1 Mini stlye Dev board* - http://s.click.aliexpress.com/e/C6ds4my
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(or any ESP32 board)
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9+
= Affilate
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If you find what I do useful and would like to support me,
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please consider becoming a sponsor on Github
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https://github.com/sponsors/witnessmenow/
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Example originally written by Vadim Sinitski
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Library written by Brian Lough
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YouTube: https://www.youtube.com/brianlough
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Tindie: https://www.tindie.com/stores/brianlough/
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Twitter: https://twitter.com/witnessmenow
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*******************************************************************/
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// ----------------------------
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// Standard ESP32 Libraries
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// ----------------------------
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#include <WiFi.h>
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#include <WiFiClientSecure.h>
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// ----------------------------
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// Additional Libraries - each one of these will need to be installed.
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// ----------------------------
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#include <UniversalTelegramBot.h>
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#include <ArduinoJson.h>
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// Library used for parsing Json from the API responses
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// Search for "Arduino Json" in the Arduino Library manager
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// https://github.com/bblanchon/ArduinoJson
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// Initialize Wifi connection to the router
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char ssid[] = "XXXXXX"; // your network SSID (name)
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char password[] = "YYYYYY"; // your network key
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// Initialize Telegram BOT
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#define BOTtoken "XXXXXXXXX:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" // your Bot Token (Get from Botfather)
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WiFiClientSecure client;
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UniversalTelegramBot bot(BOTtoken, client);
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//Checks for new messages every 1 second.
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int botRequestDelay = 1000;
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unsigned long lastTimeBotRan;
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String test_photo_url = "https://www.arduino.cc/en/uploads/Trademark/ArduinoCommunityLogo.png";
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void handleNewMessages(int numNewMessages) {
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Serial.println("handleNewMessages");
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Serial.println(String(numNewMessages));
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for (int i=0; i<numNewMessages; i++) {
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String chat_id = String(bot.messages[i].chat_id);
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String text = bot.messages[i].text;
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String from_name = bot.messages[i].from_name;
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if (from_name == "") from_name = "Guest";
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if (text == "/get_test_photo") {
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bot.sendPhoto(chat_id, test_photo_url, "Caption is optional, you may not use photo caption");
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}
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if (text == "/start") {
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String welcome = "Welcome to Universal Arduino Telegram Bot library, " + from_name + ".\n";
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welcome += "This is Send Image From URL example.\n\n";
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welcome += "/get_test_photo : getting test photo\n";
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bot.sendMessage(chat_id, welcome, "");
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}
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}
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}
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void setup() {
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Serial.begin(115200);
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// Set WiFi to station mode and disconnect from an AP if it was Previously connected
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WiFi.mode(WIFI_STA);
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WiFi.disconnect();
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delay(100);
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// attempt to connect to Wifi network:
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Serial.print("Connecting Wifi: ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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Serial.print(".");
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delay(500);
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}
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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}
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void loop() {
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if (millis() > lastTimeBotRan + botRequestDelay) {
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int numNewMessages = bot.getUpdates(bot.last_message_received + 1);
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while(numNewMessages) {
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Serial.println("got response");
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handleNewMessages(numNewMessages);
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numNewMessages = bot.getUpdates(bot.last_message_received + 1);
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}
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lastTimeBotRan = millis();
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}
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}

‎examples/ESP8266/EchoBot/EchoBot.ino

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -19,7 +19,7 @@
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Twitter: https://twitter.com/witnessmenow
2020
*******************************************************************/
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// The version of ESP8266 core needs to be 2.5 or higher
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// NOTE: The version of ESP8266 core needs to be 2.5 or higher
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// or else your bot will not connect.
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// ----------------------------

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