Login▼/회원가입BASIC4MCU | 질문게시판 | esp32 서보모터 dc모터로 바꾸는것이 궁급합니다.
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작성자 이윤직 작성일2019-06-16 22:11 조회5,213회 댓글1건본문
#include <WiFi.h>
#include <Servo.h>Servo myservo; // create servo object to control a servo
// twelve servo objects can be created on most boards// GPIO the servo is attached to
static const int servoPin = 13;// Replace with your network credentials
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const char* password = "REPLACE_WITH_YOUR_PASSWORD";// Set web server port number to 80
WiFiServer server(80);// Variable to store the HTTP request
String header;// Decode HTTP GET value
String valueString = String(5);
int pos1 = 0;
int pos2 = 0;void setup() {
Serial.begin(115200);myservo.attach(servoPin); // attaches the servo on the servoPin to the servo object
// Connect to Wi-Fi network with SSID and password
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
// Print local IP address and start web server
Serial.println("");
Serial.println("WiFi connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
server.begin();
}void loop(){
WiFiClient client = server.available(); // Listen for incoming clientsif (client) { // If a new client connects,
Serial.println("New Client."); // print a message out in the serial port
String currentLine = ""; // make a String to hold incoming data from the client
while (client.connected()) { // loop while the client's connected
if (client.available()) { // if there's bytes to read from the client,
char c = client.read(); // read a byte, then
Serial.write(c); // print it out the serial monitor
header += c;
if (c == '\n') { // if the byte is a newline character
// if the current line is blank, you got two newline characters in a row.
// that's the end of the client HTTP request, so send a response:
if (currentLine.length() == 0) {
// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
// and a content-type so the client knows what's coming, then a blank line:
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println("Connection: close");
client.println();// Display the HTML web page
client.println("<!DOCTYPE html><html>");
client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
client.println("<link rel=\"icon\" href=\"data:,\">");
// CSS to style the on/off buttons
// Feel free to change the background-color and font-size attributes to fit your preferences
client.println("<style>body { text-align: center; font-family: \"Trebuchet MS\", Arial; margin-left:auto; margin-right:auto;}");
client.println(".slider { width: 300px; }</style>");
client.println("<script src=\"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js\"></script>");
// Web Page
client.println("</head><body><h1>ESP32 with Servo</h1>");
client.println("<p>Position: <span id=\"servoPos\"></span></p>");
client.println("<input type=\"range\" min=\"0\" max=\"180\" class=\"slider\" id=\"servoSlider\" onchange=\"servo(this.value)\" value=\""+valueString+"\"/>");
client.println("<script>var slider = document.getElementById(\"servoSlider\");");
client.println("var servoP = document.getElementById(\"servoPos\"); servoP.innerHTML = slider.value;");
client.println("slider.oninput = function() { slider.value = this.value; servoP.innerHTML = this.value; }");
client.println("$.ajaxSetup({timeout:1000}); function servo(pos) { ");
client.println("$.get(\"/?value=\" + pos + \"&\"); {Connection: close};}</script>");
client.println("</body></html>");
//GET /?value=180& HTTP/1.1
if(header.indexOf("GET /?value=")>=0) {
pos1 = header.indexOf('=');
pos2 = header.indexOf('&');
valueString = header.substring(pos1+1, pos2);
//Rotate the servo
myservo.write(valueString.toInt());
Serial.println(valueString);
}
// The HTTP response ends with another blank line
client.println();
// Break out of the while loop
break;
} else { // if you got a newline, then clear currentLine
currentLine = "";
}
} else if (c != '\r') { // if you got anything else but a carriage return character,
currentLine += c; // add it to the end of the currentLine
}
}
}
// Clear the header variable
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
}
}원래 코드가 이걸로 서보모터를 움직이는데
그 서보모터를 dc모터로 바꾸고 싶은데 혹시 알려주실수 있나요??
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댓글 1
조회수 5,213master님의 댓글
master 작성일
DC모터는 원하는 각도를 제어하지 못합니다.
DC모터 제어는 LED ON/OFF 수준밖에 안됩니다.
https://www.google.com/search?q=%EC%95%84%EB%91%90%EC%9D%B4%EB%85%B8+DC%EB%AA%A8%ED%84%B0+L298N+%EB%AA%A8%EB%93%88&pws=0&gl=us&gws_rd=cr
L298N 모듈을 사용해서 제어 한다면 웹검색 결과를 참고하세요