Volt-Amper
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Код:
#define IN_1 16 // L298N in1 motors Right GPIO16(D0)
#define IN_2 5 // L298N in2 motors Right GPIO5(D1)
#define IN_3 14 // L298N in3 motors Left GPIO14(D5)
#define IN_4 12 // L298N in4 motors Left GPIO12(D6)
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
String command; //String to store app command state.
int speedCar = 800; // 400 - 1023.
int speed_Coeff = 3;
const char *ssid = "ASUS";
const char *password = "379931sbmc";
ESP8266WebServer server(80);
void setup()
{
pinMode(IN_1, OUTPUT);
pinMode(IN_2, OUTPUT);
pinMode(IN_3, OUTPUT);
pinMode(IN_4, OUTPUT);
Serial.begin(115200);
// Connecting WiFi
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.mode(WIFI_STA); // Задаем режим работы WIFI_STA (клиент)
WiFi.begin(ssid, password); // Подключаемся
while (WiFi.status() != WL_CONNECTED) // Ждем пока статус не станет WL_CONNECTED
{
delay(500);
}
Serial.println("WiFi connected");
Serial.print("IP address: ");
Serial.println(WiFi.localIP()); // показывает наше IP
// Starting WEB-server
server.on ( "/", HTTP_handleRoot );
server.onNotFound ( HTTP_handleRoot );
server.begin();
}
void goAhead(){
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
}
void goBack(){
digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
}
void goRight(){
digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
}
void goLeft(){
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
}
void goAheadRight(){
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
}
void goAheadLeft(){
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
}
void goBackRight(){
digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
}
void goBackLeft(){
digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
}
void stopRobot(){
digitalWrite(IN_1, LOW);
digitalWrite(IN_2, LOW);
digitalWrite(IN_3, LOW);
digitalWrite(IN_4, LOW);
}
void loop() {
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", "" );
delay(1);
}
D0 - IN1
D1 - IN2
D2 - IN3
D3 - IN4
Осталось завести на пины NodeMCU ENA и ENB.
Вложения
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