Arduino Data Sending & Server Data Receiving.

.gitignore

@@ -5,4 +5,4 @@
 .vscode/*
 
 # Arduino File
-arduino/
\ No newline at end of file
+arduino/code/test/*
\ No newline at end of file

arduino/code/main/main.ino

+#include <SoftwareSerial.h>
+#include <DHT.h>
+#include <DHT_U.h>
+
+
+
+#define ESPPIN_TX 2     // ESP 8266 모듈의 TX 핀
+#define ESPPIN_RX 3     // ESP 8266 모듈의 RX 핀
+
+#define DHTPIN 7        // DHT11 핀 
+#define DHTTYPE DHT11   // DHT 모듈 종류
+
+#define CDS_D 4         // CDS 모듈 디지털 핀
+#define CDS_A A0        // CDS 모듈 아날로그 핀
+
+uint32_t delayMS;       // 센서를 읽는 지연시간
+
+
+SoftwareSerial esp(ESPPIN_TX,ESPPIN_RX);
+DHT_Unified dht(DHTPIN, DHTTYPE);
+
+
+String SSID = "Wifi_SSID";        // Wifi - SSID
+String SSPW = "Wifi_SSPW";        // Wifi - SSPW
+
+String EUEIP = "EUE_IP";          // Web Server - IP
+int EUEPORT = 8081;               // Web Server - Port
+
+// 함수 선언부
+void connectESP();
+void connectWifi();
+void sendData(String vars);
+
+
+void setup() {
+
+  pinMode(CDS_D, INPUT);  // CDS모듈의 Pinmode를 Input으로 설정
+  
+  Serial.begin(9600);     // Serial monitor의 통신 속도 9600으로 설정
+  esp.begin(9600);        // esp모듈의 통신 속도 9600으로 설정
+
+  connectESP();           // ESP 모듈 탐색
+  connectWifi();          // ESP 모듈 wifi 연결
+
+  dht.begin();            // DHT11 센서 작동 시작
+  Serial.println("DHT11 Unified Sensor Start.");
+
+  sensor_t sensor;        // dht11 구조체 생성
+
+  // 온도센서 정보 출력
+  dht.temperature().getSensor(&sensor);
+  Serial.println("------------------------------------");
+  Serial.println("Temperature(온도)");
+  Serial.print("Sensor : ");Serial.println(sensor.name);
+  Serial.print("Drive Ver : ");Serial.println(sensor.version);
+  Serial.print("Unique ID : ");Serial.println(sensor.sensor_id);
+  Serial.print ("Max Value : "); Serial.print(sensor.max_value); Serial.println(" *C");
+  Serial.print ("Min Value : "); Serial.print(sensor.min_value); Serial.println(" *C");
+  Serial.print ("Resolution : "); Serial.print(sensor.resolution); Serial.println(" *C");  
+  Serial.println("------------------------------------");
+
+  // 습도센서 정보 프린트
+  dht.humidity().getSensor(&sensor);
+  Serial.println("------------------------------------");
+  Serial.println("Humidity(습도)");
+  Serial.print ("Sensor : "); Serial.println(sensor.name);
+  Serial.print ("Driver Ver : "); Serial.println(sensor.version);
+  Serial.print ("Unique ID : "); Serial.println(sensor.sensor_id);
+  Serial.print ("Max Value : "); Serial.print(sensor.max_value); Serial.println("%");
+  Serial.print ("Min Value : "); Serial.print(sensor.min_value); Serial.println("%");
+  Serial.print ("Resolution : "); Serial.print(sensor.resolution); Serial.println("%");  
+  Serial.println("------------------------------------");
+
+  delayMS =sensor.min_delay /1000;                    // 센서를 읽는 시간을 최소로 설정
+}
+
+void loop() {
+  String input = "";
+
+  sensors_event_t event;
+  
+  dht.temperature().getEvent(&event);
+  float temp = event.temperature;
+  String str_Temp = String(temp);
+
+  dht.humidity().getEvent(&event);
+  float humi = event.relative_humidity;
+  String str_Humi = String(humi);
+
+  int lights = analogRead(CDS_A);
+  String str_Lights = String(lights);
+  
+  String ID = "Admin";
+  input += "id=" + ID;
+  input += "&temp=" + str_Temp;
+  input += "&humi=" + str_Humi;
+  input += "&lights=" + str_Lights;
+  Serial.println(input);
+  
+  sendData(input);
+}
+
+// 함수 정의부
+void connectESP(){
+  esp.println("AT");
+  Serial.println("AT Sent");
+  while(!esp.find("OK")){
+    esp.println("AT");
+    Serial.println("ESP8266 Not Found.");
+  }
+  Serial.println("OK Command Received.");
+}
+
+void connectWifi(){
+  String cmd = "AT+CWMODE=1"; // Client로 설정
+  esp.println(cmd);
+  Serial.println("Set ESP8266 to client.");
+
+  Serial.println("Connecting to Wifi...");
+  cmd = "AT+CWJAP=\"" + SSID + "\"," + SSPW + "\"";
+  esp.println(cmd);
+ 
+  while(!esp.find("OK"));
+  Serial.println("Wifi Connected");
+  
+  cmd = "AT+CWJAP?";
+  esp.println(cmd);
+  Serial.write(esp.read());
+}
+
+void sendData(String input){
+  // ESP 모듈을 통해 Server로 데이터 전송
+  esp.println("AT+CIPSTART=\"TCP\",\"" + EUEIP + "\"," + EUEPORT);
+  if(esp.find("Error")){
+    Serial.println("AT+CIPSTART Error...");
+  }
+
+  String vars = input;
+  
+  String msg = "GET /data/input?";
+  msg += vars;
+  msg += " HTTP/1.0\r\n\r\n";
+  esp.print("AT+CIPSEND=");
+  esp.println(msg.length());
+  delay(2000);
+
+  if(esp.find(">")){
+    esp.print(msg);
+    Serial.println("Data sent.");
+    delay(1000);
+  }
+  Serial.println("Connection Closed.");
+  esp.println("AT+CIPCLOSE");
+
+  delay(5000);
+}

arduino/info.md

+# Arduino 정보
+
+## Goal
+
+온도, 습도, 조도 값을 wifi를 통해 server로 전송하도록 하는 하드웨어 제작.
+
+## 사용 모듈
+
+- [아두이노 우노 R3 호환보드](https://smartstore.naver.com/mechasolution_com/products/4864858307?NaPm=ct%3Dkh5sht9x%7Cci%3Dcheckout%7Ctr%3Dppc%7Ctrx%3D%7Chk%3D263e55077065b7e821aab4cb5c2c549835202409) : 메인 보드
+
+- [DHT11 온습도 센서](https://smartstore.naver.com/mechasolution_com/products/3126779187?NaPm=ct%3Dkh5sckx3%7Cci%3Dcheckout%7Ctr%3Dppc%7Ctrx%3D%7Chk%3D24efda3bfdd3136f882e6254c93b68e6497e1750) : 온도와 습도를 측정하기 위한 모듈
+
+  - DHT11 라이브러리 및 설명 출처 : [https://cafe.naver.com/mechawiki?iframe_url=/MyCafeIntro.nhn%3Fclubid=29397234](https://cafe.naver.com/mechawiki?iframe_url=/MyCafeIntro.nhn%3Fclubid=29397234)
+
+- [CDS 포토셀 광 조도센서 모듈](https://smartstore.naver.com/mechasolution_com/products/2940398248?NaPm=ct%3Dkh5skvb2%7Cci%3Dcheckout%7Ctr%3Dppc%7Ctrx%3D%7Chk%3D3b2b0f3e4509d7b7987fc4d02326b431c9dc5d10) : 조도를 측정하기 위한 모듈
+
+  - CDS 포토셀 광 조도 센서 설명 출처 : [https://cafe.naver.com/mechawiki](https://cafe.naver.com/mechawiki)
+
+- [ESP8266 와이파이 모듈](https://smartstore.naver.com/mechasolution_com/products/3412252175?NaPm=ct%3Dkh5sisz4%7Cci%3Dcheckout%7Ctr%3Dppc%7Ctrx%3D%7Chk%3D782dcfa869b54343ad9113b3089fe8b7e1455a90) : wifi 연결 모듈
+
+- [ESP8266 와이파이 모듈 전용 어댑터](https://smartstore.naver.com/mechasolution_com/products/3448897447?NaPm=ct%3Dkh5sj8sw%7Cci%3Dcheckout%7Ctr%3Dppc%7Ctrx%3D%7Chk%3D967033f4922b6288b4279fe63965a7511c1ecf4b) : ESP8266 wifi 모듈을 쉽게 사용하기 위한 어댑터
+
+## 사용 라이브러리
+
+- Adafruit Sensor Library : [https://github.com/adafruit/Adafruit_Sensor](https://github.com/adafruit/Adafruit_Sensor)
+- DHT Sensor Library : [https://github.com/adafruit/DHT-sensor-library](https://github.com/adafruit/DHT-sensor-library)
+
+## Arduino 참고 자료
+
+- [https://it-g-house.tistory.com/entry/%EC%95%84%EB%91%90%EC%9D%B4%EB%85%B8Arduino-%EC%9D%B8%ED%84%B0%EB%84%B7-%ED%95%98%EA%B8%B0-Wifi-ESP-01%EC%97%B0%EA%B2%B0%ED%95%98%EB%8A%94-%EB%B0%A9%EB%B2%95](https://it-g-house.tistory.com/entry/%EC%95%84%EB%91%90%EC%9D%B4%EB%85%B8Arduino-%EC%9D%B8%ED%84%B0%EB%84%B7-%ED%95%98%EA%B8%B0-Wifi-ESP-01%EC%97%B0%EA%B2%B0%ED%95%98%EB%8A%94-%EB%B0%A9%EB%B2%95)
+- [https://cafe.naver.com/mechawiki/122](https://cafe.naver.com/mechawiki/122)

server/src/controllers/dataController.js

 import routes from "../routes";
 
 export const getDataInput = (req, res) => {
-  res.render("datainput", { pagename: "Data Input" });
-};
-
-export const postDataInput = (req, res) => {
-  res.redirect(routes.home);
+  console.log(req.query);
+  res.status(200).send("<p>OK</p>");
 };

server/src/init.js

@@ -5,7 +5,7 @@ dotenv.config();
 const PORT = process.env.PORT || 4500;
 
 const handleListening = () => {
-  console.log(`✅ Listening on : http://localhost:${PORT}}`);
+  console.log(`✅ Listening on : http://localhost:${PORT}`);
 };
 
 app.listen(PORT, handleListening);

server/src/routers/dataRouter.js

 import express from "express";
 import routes from "../routes";
-import { getDataInput, postDataInput } from "../controllers/dataController";
+import { getDataInput } from "../controllers/dataController";
 
 const dataRouter = express.Router();
 
 dataRouter.get(routes.dataInput, getDataInput);
-dataRouter.post(routes.dataInput, postDataInput);
 
 export default dataRouter;