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IOT_RC_CAR_V2.ino
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IOT_RC_CAR_V2.ino
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/* IOT_RC_CAR_V2
* By Pie
* aravindvallab@protonmail.com
MIT License
Copyright (c) 2021 Pie
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
//RC CAR CONTROLLERS
#define PWMA 12 // Enable/speed motors (Right/Left) GPIO12 (D6)
#define IN_1 14 // tb6612FNG IN_1 motors (Right/Left) GPIO14 (D5)
#define IN_2 2 // tb6612FNG IN_2 motors (Right/Left) GPIO2 (D4)
#define PWMB 5 // Enable/speed motors (Front/Back) GPIO5 (D1)
#define IN_3 4 // tb6612FNG IN_3 motors (Front/Back) GPIO4 (D2)
#define IN_4 0 // tb6612FNG IN_4 motors (Front/Back) GPIO0 (D3)
//LIGHT CONTROLLERS
#define IN_5 13 // RED LED GPIO13 (D7)
#define IN_6 15 // BLUE LED GPIO15 (D8)
#define IN_7 16 // YELLOW LED GPIO16 (D0)
#include <ESP8266WiFi.h> // Include the Wi-Fi library.
#include <WiFiClient.h>
#include <ESP8266WiFiMulti.h> // Include the Wi-Fi-Multi library.
#include <ESP8266WebServer.h> // Include the WebServer library.
ESP8266WiFiMulti wifiMulti; // Create an instance of the ESP8266WiFiMulti class, called 'wifiMulti'.
ESP8266WebServer server(80); // Create a webserver object that listens for HTTP request on port 80.
String command; //String to store app command state.
int speedCar = 800;
void setup() {
pinMode(PWMA, OUTPUT); //Right/Left
pinMode(PWMB, OUTPUT); //Front/Back
pinMode(IN_1, OUTPUT); //Right/Left
pinMode(IN_2, OUTPUT); //Right/Left
pinMode(IN_3, OUTPUT); //Front/Back
pinMode(IN_4, OUTPUT); //Front/Back
pinMode(IN_5, OUTPUT); //RED LED
pinMode(IN_6, OUTPUT); //BLUE LED
pinMode(IN_7, OUTPUT); //YELLOW LED
Serial.begin(115200); // Start the Serial communication to send messages to the computer.
delay(10);
Serial.println('\n');
// Connecting WiFi
wifiMulti.addAP("ssid", "password"); // Wi-Fi networks you want to connect to. It will conect to the strongest network availaible
wifiMulti.addAP("----", "----");
wifiMulti.addAP("----", "----");
con(); //Con function is at the bottom after 'void loop(){.......}'
}
void goAhead(){
digitalWrite(IN_5, LOW); //RED LED
digitalWrite(IN_6, HIGH); //BLUE LED
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
analogWrite(PWMB, speedCar);
}
void goBack(){
digitalWrite(IN_5, LOW); //RED LED
digitalWrite(IN_7, HIGH); //YELLOW LED
digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
analogWrite(PWMB, speedCar);
}
void goRight(){
digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
analogWrite(PWMA,1023);
}
void goLeft(){
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
analogWrite(PWMA,1023);
}
void goAheadRight(){
digitalWrite(IN_5, LOW); //RED LED
digitalWrite(IN_6, HIGH); //BLUE LED
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
analogWrite(PWMB, speedCar);
digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
analogWrite(PWMA,1023);
}
void goAheadLeft(){
digitalWrite(IN_5, LOW); //RED LED
digitalWrite(IN_6, HIGH); //BLUE LED
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
analogWrite(PWMB, speedCar);
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
analogWrite(PWMA,1023);
}
void goBackRight(){
digitalWrite(IN_7, HIGH); // YELLOW LED
digitalWrite(IN_5, LOW); //RED LED
digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
analogWrite(PWMB, speedCar);
digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
analogWrite(PWMA,1023);
}
void goBackLeft(){
digitalWrite(IN_7, HIGH); // YELLOW LED
digitalWrite(IN_5, LOW); //RED LED
digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
analogWrite(PWMB, speedCar);
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
analogWrite(PWMA,1023);
}
void stopRobot(){
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, LOW);
analogWrite(PWMB, 0);
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, LOW);
analogWrite(PWMA, 0);
digitalWrite(IN_5, HIGH); //RED LED
digitalWrite(IN_7, LOW); // YELLOW LED
digitalWrite(IN_6, LOW); //BLUE LED
}
void loop() {
if (wifiMulti.run() != WL_CONNECTED) { //If rc car is not connected it will call "con" function.
Serial.println(" Oops! You are disconnected ");
delay(2000);
Serial.println(" Reconnecting ..... ");
con(); //Con function
}
server.handleClient();
command = server.arg("State");
if (command == "F") goAhead();
else if (command == "B") goBack();
else if (command == "L") goLeft();
else if (command == "R") goRight();
else if (command == "I") goAheadRight();
else if (command == "G") goAheadLeft();
else if (command == "J") goBackRight();
else if (command == "H") goBackLeft();
else if (command == "0") speedCar = 400;
else if (command == "1") speedCar = 470;
else if (command == "2") speedCar = 540;
else if (command == "3") speedCar = 610;
else if (command == "4") speedCar = 680;
else if (command == "5") speedCar = 750;
else if (command == "6") speedCar = 820;
else if (command == "7") speedCar = 890;
else if (command == "8") speedCar = 960;
else if (command == "9") speedCar = 1023;
else if (command == "S") stopRobot();
}
void HTTP_handleRoot(void) {
if( server.hasArg("State") ){
Serial.println(server.arg("State"));
}
server.send ( 200, "text/html", "<h1>Connected</h1>");
delay(1);
}
void con() { //Con function
digitalWrite(IN_6,HIGH); //BLUE LED
int i = 0;
while (wifiMulti.run() != WL_CONNECTED) { // Wait for the Wi-Fi to connect: scan for Wi-Fi networks, and connect to the strongest of the networks above.
delay(200);
Serial.print(++i);
Serial.print(' ');
digitalWrite(IN_6, !digitalRead(IN_6) ); // Indicator showing "rc car trying to connect" by blinking led , after connecting the blue led will be low & red led will be high.
digitalWrite(IN_5, !digitalRead(IN_6) );
}
Serial.println('\n');
Serial.print("You're Connected To Prototype ");
Serial.println(WiFi.SSID()); // Tell us what network we're connected to.
Serial.print("This Is My IP Address:\t");
Serial.println(WiFi.localIP()); // Send the IP address of the ESP8266 to the computer.
// Starting WEB-server
server.on ( "/", HTTP_handleRoot );
server.onNotFound ( HTTP_handleRoot );
server.begin();
digitalWrite(IN_5, HIGH); //RED LED
digitalWrite(IN_6, LOW); //BLUE LED
digitalWrite(IN_7, LOW); //YELLOW LED
}