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1st release
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@Naguissa
Naguissa committed Mar 29, 2023
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2 changes: 2 additions & 0 deletions .github/FUNDING.yml
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github: Naguissa
custom: https://www.paypal.me/foroelectro
141 changes: 141 additions & 0 deletions ESP_email_Doorbell.ino
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#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <WiFiClient.h>

// ==================== TUNEABLE PARAMETERS ====================

// Uncomment these lines in order to activate Serial debug
//#define DEBUG
//#define DEBUGLIB_BAUDS 115200


// ====================== GLOBAL VARIABLES ======================
char* ApiKey = "YOUR_APIKEY"; // "ApiKey from https://www.foroelectro.net/arduino/";
char* ssid = "YOUR_WIFI_SSID";
char *password = "YOUR_WIFI_PASSWORD";


// =======================================================
// ==================== FUNCTIONALITY ====================
// =======================================================


// ==================== Function definitions ====================
void setup_wifi();
void setup();
void loop();

void emailMe();


// ==================== Debug functionality; simplified, taken from: https://github.com/Naguissa/uDebugLib ====================
#ifdef DEBUG
#define uDebugLibInit() Serial.begin(DEBUGLIB_BAUDS)
#define DEBUG_PRINT Serial.print
#define DEBUG_PRINTLN Serial.println
#else
#define uDebugLibInit()
#define DEBUG_PRINT
#define DEBUG_PRINTLN
#endif


// ==================== Setup functions ====================


void setup_wifi() {
// We start by connecting to a WiFi network
DEBUG_PRINT("Connecting to: ");
DEBUG_PRINTLN(ssid);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
delay(50);
for (byte i = 0; i < 120 && WiFi.status() != WL_CONNECTED; i++) {
DEBUG_PRINT(".");
delay(500);
}
if (WiFi.status() == WL_CONNECTED) {
DEBUG_PRINTLN("WiFi connected");
DEBUG_PRINTLN("IP address: ");
DEBUG_PRINTLN(WiFi.localIP());
} else {
DEBUG_PRINTLN("ERROR CONNECTING TO WIFI");
}
DEBUG_PRINTLN("");
}


// This section of code runs only once at start-up.
void setup() {
uDebugLibInit();
DEBUG_PRINTLN("Serial OK (if debug enabled)");

setup_wifi();

emailMe();

// Infinite sleep
ESP.deepSleep(0);
}



//
// ==================== LOOP ====================
//

void loop() { }




//
// ==================== AUX FUNCTIONS ====================
//

void emailMe() {
DEBUG_PRINTLN("Sending email... ");
String out;


// HTTPS disabled for speed-up. No so private data....
// WiFiClientSecure client;
// char host[30] = "www.foroelectro.net";
// const char* fingerprint = "23 66 E2 D6 94 B5 DD 65 92 0A 4A 9B 34 70 7B B4 35 9B B6 C9";
// if (!client.connect(host, 443)) {

WiFiClient client;
IPAddress host(163, 172, 27, 140);
if (!client.connect(host, 80)) {
DEBUG_PRINTLN("Reporting connection failed.");
DEBUG_PRINT(host);
DEBUG_PRINTLN(":80");
return;
} else {
DEBUG_PRINTLN("Connected!");
}
yield();

// This will send the request to the server
client.print("GET /arduino/api/");
client.print(ApiKey);
client.print("/mail/mailme?subject=Doorbell%20is%20ringing!&body=Doorbell%20is%20ringing%20just%20now");
client.println(" HTTP/1.1");
client.print("Host: ");
client.println(host);
client.println("Cache-Control: no-cache");
client.println("Content-Type: application/x-www-form-urlencoded");
client.println("Content-Length: 0");
client.println("Connection: close\r\n");
delay(100);

// Read all the lines of the reply from server
while (client.available()) {
out = client.readStringUntil('\r');
DEBUG_PRINTLN(out);
yield();
}
DEBUG_PRINTLN("------------------");
DEBUG_PRINTLN("API email done");
}

166 changes: 166 additions & 0 deletions LICENSE
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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007

Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.


This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.

0. Additional Definitions.

As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.

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You may convey a covered work under sections 3 and 4 of this License
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2. Conveying Modified Versions.

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66 changes: 66 additions & 0 deletions README.md
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## ESP8266 and ESP32 Doorbell email sender ##

This Arduino sketch implements most simple way to send an email using ForoElectro REST API. Installing it on a simple doorbell will send an email everytime it's triggered.


### Configuration ###

In order to use the API you need to get a ForoElectro account (free) at: https://www.foroelectro.net/arduino/

You have to validate your email in order to prevent SPAM abuse.

Then you can copy your ApiKey in this line of the sketch:

char* ApiKey = "YOUR_APIKEY";


You also need to enter your WiFi details in the sketch:

char* ssid = "YOUR_WIFI_SSID";
char *password = "YOUR_WIFI_PASSWORD";



### Compilation ###

You can compile the sketch using Arduino IDE with support for your board.


### Usage ###

When started, sketch connects to your WiFi and then sends an email request to the API.

Mail sending is implemented in emailMe() function, and it's so simple that even it only uses server's IP, in order to skip even DNS resolution.


### Hardware ###

In order it to work you must implement the power supply in paralel to doorbell. You will need to add extra capacitor(s) to maintain power during at least 3 seconds.

I'm using an old phone charger installed inside doorbell box with some big capacitors and my 1st ESP8266 ESP01.




## Who do I talk to? ##

* [Naguissa](https://github.com/Naguissa)
* https://www.foroelectro.net/proyectos-personales-f23/notificaciones-por-email-del-timbre-de-la-puerta-t476.html
* https://www.foroelectro.net/servicios-de-la-web-f28/envio-de-correos-electronicos-con-una-llamada-http-t408.html
* https://www.naguissa.com



## Contribute ##

Any code contribution, report or comment are always welcome. Don't hesitate to use GitHub for that.


* You can sponsor this project using GitHub's Sponsor button: https://github.com/Naguissa/ESP_email_Doorbell
* You can make a donation via PayPal: https://paypal.me/foroelectro


Thanks for your support.


Contributors hall of fame: https://www.foroelectro.net/hall-of-fame-f32/contributors-contribuyentes-t271.html

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