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882d0a2 Jan 23, 2018
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/*
* ESP8266 Wi-Fi Button
* Rui Santos
* Complete Project Details http://randomnerdtutorials.com
*/
#include <ESP8266WiFi.h>
// Replace with your SSID and Password
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const char* password = "REPLACE_WITH_YOUR_PASSWORD";
// Replace with your unique IFTTT URL resource
const char* resource = "REPLACE_WITH_YOUR_IFTTT_URL_RESOURCE";
// How your resource variable should look like, but with your own API KEY (that API KEY below is just an example):
//const char* resource = "/trigger/button_pressed/with/key/nAZjOphL3d-ZO4N3k64-1A7gTlNSrxMJdmqy";
// Maker Webhooks IFTTT
const char* server = "maker.ifttt.com";
void setup() {
Serial.begin(115200);
initWifi();
makeIFTTTRequest();
// Deep sleep mode until RESET pin is connected to a LOW signal (pushbutton is pressed)
ESP.deepSleep(0);
}
void loop() {
// sleeping so wont get here
}
// Establish a Wi-Fi connection with your router
void initWifi() {
Serial.print("Connecting to: ");
Serial.print(ssid);
WiFi.begin(ssid, password);
int timeout = 10 * 4; // 10 seconds
while(WiFi.status() != WL_CONNECTED && (timeout-- > 0)) {
delay(250);
Serial.print(".");
}
Serial.println("");
if(WiFi.status() != WL_CONNECTED) {
Serial.println("Failed to connect, going back to sleep");
}
Serial.print("WiFi connected in: ");
Serial.print(millis());
Serial.print(", IP address: ");
Serial.println(WiFi.localIP());
}
// Make an HTTP request to the IFTTT web service
void makeIFTTTRequest() {
Serial.print("Connecting to ");
Serial.print(server);
WiFiClient client;
int retries = 5;
while(!!!client.connect(server, 80) && (retries-- > 0)) {
Serial.print(".");
}
Serial.println();
if(!!!client.connected()) {
Serial.println("Failed to connect, going back to sleep");
}
Serial.print("Request resource: ");
Serial.println(resource);
client.print(String("GET ") + resource +
" HTTP/1.1\r\n" +
"Host: " + server + "\r\n" +
"Connection: close\r\n\r\n");
int timeout = 5 * 10; // 5 seconds
while(!!!client.available() && (timeout-- > 0)){
delay(100);
}
if(!!!client.available()) {
Serial.println("No response, going back to sleep");
}
while(client.available()){
Serial.write(client.read());
}
Serial.println("\nclosing connection");
client.stop();
}