//Daiso_500yen_OffRoadCar_Kai3
//Thanks to mukujii.sakura.ne.jp/esp1.html
//Thanks to www.freenove.com
//DRV8833-M1,M2
#include <WiFi.h>
const char* ssid = "";
const char* password = "";
const char html[] =
"<!DOCTYPE html><html lang='ja'><head><meta charset='UTF-8'>\
<style>input {font-size:16pt;margin:16px;width:160px;}\
div {font-size:32pt;color:blue;text-align:center;width:600px;border:medium solid black;}</style>\
<title>ESP32wrover WiFiSimpleCar</title></head>\
<body><div><p>WiFi_Controller</p>\
<form method='get'>\
<input type='submit' name='le' value='Left' />\
<input type='submit' name='fo' value='Forward' />\
<input type='submit' name='ri' value='Right' /><br>\
<input type='submit' name='st' value='Stop' /><br>\
<input type='submit' name='ba' value='Back'/><br><br>\
</form></div></body></html>";
void Forward()
{
digitalWrite(18,HIGH);
digitalWrite(19,LOW);
}
void Back()
{
digitalWrite(18,LOW);
digitalWrite(19,HIGH);
}
void MotorStop()
{
digitalWrite(18,LOW);
digitalWrite(19,LOW);
}
void Right()
{
digitalWrite(22,HIGH);
digitalWrite(23,LOW);
delay(50);
digitalWrite(22,LOW);
digitalWrite(23,LOW);
//delay(50);
}
void Left()
{
digitalWrite(22,LOW);
digitalWrite(23,HIGH);
delay(50);
digitalWrite(22,LOW);
digitalWrite(23,LOW);
//delay(50);
}
WiFiServer server(80);
void setup()
{
pinMode(18,OUTPUT);
pinMode(19,OUTPUT);
pinMode(22,OUTPUT);
pinMode(23,OUTPUT);
digitalWrite(18,LOW);
digitalWrite(19,LOW);
digitalWrite(22,LOW);
digitalWrite(23,LOW);
Serial.begin(115200);
delay(10);
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
server.begin();
}
void loop(){
WiFiClient client = server.available();
if (client) {
Serial.println("New Client.");
String currentLine = "";
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
if (c == '\n') {
if (currentLine.length() == 0) {
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println();
client.print(html);
client.println();
break;
} else {
currentLine = "";
}
} else if (c != '\r') {
currentLine += c;
}
if (currentLine.endsWith("GET /?fo")) {
Forward();
}
if (currentLine.endsWith("GET /?le")) {
Left();
}
if (currentLine.endsWith("GET /?ri")) {
Right();
}
if (currentLine.endsWith("GET /?ba")) {
Back();
}
if (currentLine.endsWith("GET /?st")) {
MotorStop();
}
}
}
client.stop();
Serial.println("Client Disconnected.");
}
}
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