ESP32 원격 제어

YOUR LINK HERE:

http://youtube.com/watch?v=gQMEx681_cM

#아두이노 #arduino #ESP32 #원격제어 • 코드 (대괄호는 꺽쇄괄호로 수정하세요.) • server.js • var http = require('http'); • var url = require('url'); • var fs = require('fs'); • var app = http.createServer(function(req, res){ • var URL = req.url; • var path = url.parse(URL, true).pathname; • var query = url.parse(URL, true).query; • res.writeHead(200); • //사용자 페이지 • if(path== /user ){ • res.write(fs.readFileSync( user.html )); • } • //속도 및 각도 조정 • if(path== /manual ){ • var motor_speed = query.motor_speed; • var servo_angle = query.servo_angle; • fs.writeFileSync( control.txt , manual, + motor_speed + , + servo_angle); • res.write( [html][body][script]history.back();[/script][/body][/html] ); • } • //ESP32가 받아올 값 • if(path== /control ){ • res.write(fs.readFileSync( control.txt )); • } • res.end(); • console.log( 서버 접속 + fs.readFileSync( control.txt )); • }) • app.listen(80); • console.log( 서버 작동 ); • ====================================================== • web_control.ino • #include WiFi.h • #include HTTPClient.h • #include ESP32Servo.h • //스플릿 함수 • String split_text[100]; • void split(String text, char separator){ • int startP = 0; • int endP = 0; • int isSize = 0; • while(endP != -1){ • endP = text.indexOf(separator, startP); • split_text[isSize] = text.substring(startP, endP); • startP = endP+1; • isSize++; • } • } • //조종용 변수 • Servo motor; • Servo servo; • String n_mode = ; • int motor_speed = 1000; • int servo_angle = 100; • void setup() { • WiFi.begin( 804 , 12345678 ); • motor.attach(4); • motor.writeMicroseconds(motor_speed); • servo.attach(5); • servo.write(servo_angle); • delay(1000); • } • void loop() { • if((WiFi.status() == WL_CONNECTED)) { • HTTPClient http; • http.begin( http://125.190.168.211/control ); • int httpCode = http.GET(); • if(httpCode == 200) { • String contents = http.getString(); • split(contents, ','); • n_mode = split_text[0]; • if(n_mode.equals( manual )){ • motor_speed = split_text[1].toInt(); • servo_angle = split_text[2].toInt(); • motor.writeMicroseconds(motor_speed); • servo.write(servo_angle); • } • } • • //페이지 접속 실패 • else { • motor.writeMicroseconds(1000); • servo.write(100); • } • http.end(); • } • //와이파이 접속 실패 • else{ • motor.writeMicroseconds(1000); • servo.write(100); • WiFi.begin( 804 , 12345678 ); • delay(5000); • } • delay(100); • }

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