Created
August 13, 2018 16:10
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#include <ESP8266WiFi.h> | |
#include <ESP8266mDNS.h> | |
#include <WiFiUdp.h> | |
#include <ArduinoOTA.h> | |
#include <FirebaseArduino.h> | |
#define FIREBASE_HOST "example.firebaseio.com" // optional | |
#define FIREBASE_AUTH "token_or_secret" // optional | |
#define WIFI_SSID "Wifi_Name" | |
#define WIFI_PASSWORD "Wifi_Password" | |
const int trigPin = D1; | |
const int echoPin = D2; | |
const int relay = D3; | |
float duration,distance; | |
int relayyy = 0; | |
void setup() { | |
pinMode(echoPin, INPUT); // ECHO | |
pinMode(trigPin, OUTPUT); // TRIG | |
pinMode(relay, OUTPUT); | |
pinMode(D4, OUTPUT); // Built in LED (ON=0) | |
pinMode(D5, OUTPUT); | |
pinMode(D6, OUTPUT); | |
pinMode(D7, OUTPUT); | |
pinMode(D8, OUTPUT); | |
// connect to wifi. | |
Serial.begin(115200); | |
Serial.println("Booting"); | |
WiFi.mode(WIFI_STA); | |
// Serial.print("connecting"); | |
// while (WiFi.waitForConnectResult() != WL_CONNECTED) { | |
// Serial.println("Connection Failed! Rebooting..."); | |
// delay(5000); | |
// ESP.restart(); | |
// } | |
// ArduinoOTA.onStart([]() { | |
// String type; | |
// if (ArduinoOTA.getCommand() == U_FLASH) | |
// type = "sketch"; | |
// else // U_SPIFFS | |
// type = "filesystem"; | |
// | |
// // NOTE: if updating SPIFFS this would be the place to unmount SPIFFS using SPIFFS.end() | |
// Serial.println("Start updating " + type); | |
// }); | |
// ArduinoOTA.onEnd([]() { | |
// Serial.println("\nEnd"); | |
// }); | |
// ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) { | |
// Serial.printf("Progress: %u%%\r", (progress / (total / 100))); | |
// }); | |
// ArduinoOTA.onError([](ota_error_t error) { | |
// Serial.printf("Error[%u]: ", error); | |
// if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed"); | |
// else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed"); | |
// else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed"); | |
// else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed"); | |
// else if (error == OTA_END_ERROR) Serial.println("End Failed"); | |
// }); | |
// ArduinoOTA.begin(); | |
WiFi.begin(WIFI_SSID, WIFI_PASSWORD); | |
Serial.print("connecting"); | |
while (WiFi.status() != WL_CONNECTED) { | |
Serial.print("."); | |
delay(500); | |
} | |
Serial.println(); | |
Serial.print("connected: "); | |
Serial.println(WiFi.localIP()); | |
Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH); | |
} | |
void loop() { | |
//ArduinoOTA.handle(); | |
relayyy = Firebase.getInt("relay"); | |
// digitalWrite(echo, Firebase.getInt("D1")); // Used as input (for HCSR04 echo) | |
// digitalWrite(trig, Firebase.getInt("D2")); | |
// digitalWrite(relay, Firebase.getInt("relay")); | |
digitalWrite(D4, Firebase.getInt("D4")); | |
// digitalWrite(D5, Firebase.getInt("D5")); | |
// digitalWrite(D6, Firebase.getInt("D6")); | |
// digitalWrite(D7, Firebase.getInt("D7")); | |
// digitalWrite(D8, Firebase.getInt("D8")); | |
Serial.print("Relay... "); | |
Serial.println(relayyy); | |
if (Firebase.failed()) { | |
Serial.print("setting /number failed:"); | |
Serial.println(Firebase.error()); | |
// return; | |
} | |
// Clears the trigPin | |
digitalWrite(trigPin, LOW); | |
delayMicroseconds(2); | |
// Sets the trigPin on HIGH state for 10 micro seconds | |
digitalWrite(trigPin, HIGH); | |
delayMicroseconds(10); | |
digitalWrite(trigPin, LOW); | |
// Reads the echoPin, returns the sound wave travel time in microseconds | |
duration = pulseIn(echoPin, HIGH); | |
// Calculating the distance | |
distance= duration*0.034/2; | |
// Prints the distance on the Serial Monitor | |
if(distance >10 && distance<=50 && relayyy == 0){ | |
digitalWrite(relay, LOW); // ON | |
digitalWrite(LED_BUILTIN, LOW); | |
} | |
else if(distance <5 || distance >50){ | |
digitalWrite(relay, HIGH); // OFF | |
digitalWrite(LED_BUILTIN, HIGH); | |
} | |
// else{ | |
// digitalWrite(relay, HIGH); // OFF | |
// digitalWrite(LED_BUILTIN, LOW); | |
// } | |
Serial.print(distance); | |
Serial.println(" Centimeter:"); | |
delay(5000); | |
} |
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