static const uint8_t D0 = 16;
static const uint8_t D1 = 5;
static const uint8_t D2 = 4;
static const uint8_t D3 = 0;
static const uint8_t D4 = 2;
static const uint8_t D5 = 14;
static const uint8_t D6 = 12;
static const uint8_t D7 = 13;
static const uint8_t D8 = 15;
static const uint8_t D9 = 3;
static const uint8_t D10 = 1;
int relay1Pin = D3;//define a pin for relay
int relay2Pin = D5;//define a pin for relay
int relay1State = 1;//initial state . 1 ON, 0 OFF
int relay2State = 1;//initial state . 1 ON, 0 OFF
String button1Title1 ="Light ON";
String button1Title2 ="Light OFF";
String button2Title1 ="Buzzer ON";
String button2Title2 ="Buzzer OFF";
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#ifndef STASSID
#define STASSID "your WiFi SSID" // your WiFi SSID
#define STAPSK "your WiFi password" //your WiFi password
#endif
const char *ssid = STASSID;
const char *password = STAPSK;
ESP8266WebServer server(80);
void handleRoot() {
String HTML ="<!DOCTYPE html>\
<html>\
<head>\
<title>Robojax ESP8266 Relay Control</title>\
<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\
<style>\
html,body{width:100%\;height:100%\;margin:0}*{box-sizing:border-box}.colorAll{background-color:#90ee90}.colorBtn{background-color:#add8e6}.angleButtdon,a{font-size:30px\;border:1px solid #ccc\;display:table-caption\;padding:7px 10px\;text-decoration:none\;cursor:pointer\;padding:5px 6px 7px 10px}a{display:block}.btn{margin:5px\;border:none\;display:inline-block\;vertical-align:middle\;text-align:center\;white-space:nowrap}";
HTML +="</style></head><body><h1>Robojax ESP8266 2 ch Relay Control </h1>";
if(relay1State){
HTML +="<div class=\"btn\"><a class=\"angleButton\" style=\"background-color:#f56464\" href=\"/control?r1=off\">";
HTML +=button1Title2;
}else{
HTML +="<div class=\"btn\"><a class=\"angleButton \" style=\"background-color:#90ee90\" href=\"/control?r1=on\">";
HTML +=button1Title1;
}
HTML +="</a></div>";
if(relay2State){
HTML +="<div class=\"btn\"><a class=\"angleButton\" style=\"background-color:#f56464\" href=\"/control?r2=off\">";
HTML +=button2Title2;
}else{
HTML +="<div class=\"btn\"><a class=\"angleButton \" style=\"background-color:#90ee90\" href=\"/control?r2=on\">";
HTML +=button2Title1;
}
HTML +="</a></div></body></html>";
server.send(200, "text/html", HTML);
}//handleRoot()
void handleNotFound() {
String message = "File Not Found ";
message += "URI: ";
message += server.uri();
message += "Method: ";
message += (server.method() == HTTP_GET) ? "GET" : "POST";
message += "Arguments: ";
message += server.args();
message += " ";
for (uint8_t i = 0; i < server.args(); i++) {
message += " " + server.argName(i) + ": " + server.arg(i) + " ";
}
server.send(404, "text/plain", message);
}//end of handleNotFound()
void setup(void) {
pinMode(relay1Pin, OUTPUT);// define a pin as output for relay
digitalWrite(relay1Pin, relay1State);//initial state either ON or OFF
pinMode(relay2Pin, OUTPUT);// define a pin as output for relay
digitalWrite(relay2Pin, relay2State);//initial state either ON or OFF
Serial.begin(115200);//initialize the serial monitor
//Relay control ON OFF by Robojax.com
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
Serial.println("");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: http://");
Serial.println(WiFi.localIP());
if (MDNS.begin("robojaxESP8266")) {
Serial.println("MDNS responder started");
Serial.println("access it via http://robojaxESP8266");
}
server.on("/", handleRoot);
server.on("/control", HTTP_GET, relayControl);
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
}//end of setup
void loop(void) {
server.handleClient();
MDNS.update();
if(relay1State ==1)
{
digitalWrite(relay1Pin, LOW);
}else
{
digitalWrite(relay1Pin, HIGH);
}
if(relay2State ==1)
{
digitalWrite(relay2Pin, LOW);
}else{
digitalWrite(relay2Pin, HIGH);
}
delay(100);
//Serial.print("Relay1:");Serial.print (relay1State);
//Serial.print(" Relay2:");Serial.println(relay2State);
}//end of loop
/*
* relayControl()
* updates the value of "relayState" varible to 1 or zero
* returns nothing
* written by Ahmad Shamshiri
* on Wednesday Feb 22, 2020 at 16:20 in Ajax, Ontario, Canada
* www.robojax.com
*/
void relayControl() {
if(server.arg("r1") == "on")
{
relay1State = 1;// set state of relay1 to ON
}else if(server.arg("r1") == "off"){
relay1State = 0; // set state of relay1 to OFF
}
if(server.arg("r2") == "on") {
relay2State =1; // set state of relay2 to ON
}else if(server.arg("r2") == "off"){
relay2State =0; // set state of relay2 to OFF
}
handleRoot();
}//relayControl() endThank you in advance