alex9ufo 聰明人求知心切: 2月 2024

2024年2月17日星期六

ES32 + MFRC522 RFID + MQTT + Node-Red

Arduino 程式　

需要一個檔案:arduino_secrets.h　內容如下

#define SECRET_SSID ""

#define SECRET_PASS ""

//定義MFRC522 RFID read 與 ESP32 介面 接腳連接Pin assign
/* Wiring RFID RC522 module  
==============================================================
GND     = GND   3.3V    = 3.3V
The following table shows the typical pin layout used:
 *             MFRC522      ESP32     
 *             Reader/PCD             
 * Signal      Pin          Pin         
 * -----------------------------------
 * RST/Reset   RST          GPIO27   
 * SPI SS      SDA(SS)      GPIO5     
 * SPI MOSI    MOSI         GPIO23    
 * SPI MISO    MISO         GPIO19    
 * SPI SCK     SCK          GPIO18    
 *
[1] (1, 2) Configurable, typically defined as RST_PIN in sketch/program.
[2] (1, 2) Configurable, typically defined as SS_PIN in sketch/program.
[3] The SDA pin might be labeled SS on some/older MFRC522 boards
=============================================================
*/
// Wifi 與 MQttClient 程式庫
#include <ArduinoMqttClient.h>
#include <WiFi.h>
#include "arduino_secrets.h"

//MFRC522 程式庫
#include <SPI.h>
#include <MFRC522.h>

//GPIO 2 D1 Build in LED

#define LED 13           //定義LED接腳

///////please enter your sensitive data in the Secret tab/arduino_secrets.h
//char ssid[] = "TOTOLINK_A3002MU";    // your network SSID (name)
//char pass[] = "24063173";    // your network password (use for WPA, or use as key for WEP)
// WiFi SSID password , SSID 和密碼進行Wi-Fi 設定 
//const char ssid[] = "alex9ufo"; // Enter your Wi-Fi name
//const char pass[] = "alex9981";  // Enter Wi-Fi password

char ssid[] = "dlink-103A";    // your network SSID (name)
char pass[] = "bdcce12882";    // your network password (use for WPA, or use as key for WEP)

WiFiClient wifiClient;
MqttClient mqttClient(wifiClient);

//const char broker[] = "test.mosquitto.org";
const char broker[] = "broker.mqtt-dashboard.com";
int        port     = 1883;
String json = "";

const char *SubTopic1 = "alex9ufo/2024/LED_control";
const char *PubTopic2 = "alex9ufo/2024/LED_status";
const char *PubTopic3 = "alex9ufo/2024/RFID_UID";

const char willTopic[] = "alex9ufo/esp32/Starting";
//======================================================
#define RST_PIN      27        // 讀卡機的重置腳位
#define SS_PIN       5        // 晶片選擇腳位
MFRC522 mfrc522(SS_PIN, RST_PIN);    // 建立MFRC522物件
MFRC522::MIFARE_Key key;  // 儲存金鑰
MFRC522::StatusCode status;
//===========================================================
//布林代數 LED狀態 是否連上網路ESP32 ready ?
bool ledState = false;
bool atwork = false;
bool Send = false;  //true
String LEDjson = "";
int Count= 0;
//===========================================================
void onMqttMessage(int messageSize) {
  // we received a message, print out the topic and contents
  Serial.print("Received a message with topic '");
  Serial.print(mqttClient.messageTopic());
  String Topic= mqttClient.messageTopic();
  Serial.print("', duplicate = ");
  Serial.print(mqttClient.messageDup() ? "true" : "false");
  Serial.print(", QoS = ");
  Serial.print(mqttClient.messageQoS());
  Serial.print(", retained = ");
  Serial.print(mqttClient.messageRetain() ? "true" : "false");
  Serial.print("', length ");
  Serial.print(messageSize);
  Serial.println(" bytes:");
  String message="";
  // use the Stream interface to print the contents
  while (mqttClient.available()) {
    //Serial.print((char)mqttClient.read());
    message += (char)mqttClient.read();
  }

  Serial.println(message);
  message.trim();
  Topic.trim();

  if (Topic=="alex9ufo/2024/LED_control") {
  if (message == "on") {
    digitalWrite(LED, LOW);  // Turn on the LED
    //ledState = true;  //ledState = ture HIGH
    //設定 各個 旗號
    LEDjson ="ON";
    Send = true ;
    Serial.print("LED =");
    Serial.println(LEDjson);
    }
  if (message == "off" ) {
    digitalWrite(LED, HIGH); // Turn off the LED
    //ledState = false; //ledState = false LOW
    LEDjson ="OFF";
    Send = true ;
    Serial.print("LED =");
    Serial.println(LEDjson);
  }

    Serial.println();
    Serial.println("-----------------------");
  }  
}

//===========================================================
String printHex(byte *buffer, byte bufferSize) {
      String id = "";
      for (byte i = 0; i < bufferSize; i++) {
        id += buffer[i] < 0x10 ? "0" : "";
        id += String(buffer[i], HEX);
        id +=" ";
      }
      return id;
}
//===========================================================
//副程式  setup wifi
void setup_wifi() {
  delay(10);
  // We start by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);     //print ssid
  WiFi.begin(ssid, pass);  //初始化WiFi 函式庫並回傳目前的網路狀態
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }   //假設 wifi 未連接 show ………

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}  
//===========================================================
//判斷 旗號Flash , Timer 是否為真
void LED_Message() {
  ////判斷 旗號 Send 是否為真 回傳MQTT訊息到MQTT Broker　
  if (Send) {
    // Convert JSON string to character array
    Serial.print("Publish message: ");
    Serial.println(LEDjson);
    LEDjson.trim();

    bool retained = false;
    int qos = 1;
    bool dup = false;
    
    // Publish JSON character array to MQTT topic
    mqttClient.beginMessage(PubTopic2,  LEDjson.length(), retained, qos, dup);  //LED Status
    mqttClient.print(LEDjson);
    mqttClient.endMessage();
    Send = false;    //處理過後 旗號 Send為假
  }

} 
//=========================================================== 
void setup() {
  pinMode(LED, OUTPUT);
  digitalWrite(LED, HIGH);  // Turn off the LED initially
  //Initialize serial and wait for port to open: 
  Serial.begin(115200);   // Initialize serial communications with the PC
  while (!Serial);    // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
  
  setup_wifi();
  Serial.println("You're connected to the network");
  Serial.println();
  
  String willPayload = "ESP32 Start working....!";
  bool willRetain = true;
  int willQos = 1;

  mqttClient.beginWill(willTopic, willPayload.length(), willRetain, willQos);
  mqttClient.print(willPayload);
  mqttClient.endWill();

  Serial.print("Attempting to connect to the MQTT broker: ");
  Serial.println(broker);

  if (!mqttClient.connect(broker, port)) {
    Serial.print("MQTT connection failed! Error code = ");
    Serial.println(mqttClient.connectError());

    while (1);
  }

  Serial.println("You're connected to the MQTT broker!");
  Serial.println();

  // set the message receive callback
  mqttClient.onMessage(onMqttMessage);
  Serial.print("Subscribing to topic: ");
  Serial.println(SubTopic1);
  // subscribe to a topic
  // the second parameter sets the QoS of the subscription,
  // the the library supports subscribing at QoS 0, 1, or 2
  int subscribeQos = 1;
  mqttClient.subscribe(SubTopic1, subscribeQos);


  Serial.println();
  SPI.begin();      // Init SPI bus
  mfrc522.PCD_Init();   // Init MFRC522
  delay(4);       // Optional delay. Some board do need more time after init to be ready, see Readme
  //mfrc522.PCD_DumpVersionToSerial();  // Show details of PCD - MFRC522 Card Reader details
  Serial.println(F("Scan PICC to see UID, SAK, type, and data blocks..."));
}
//===========================================================
void loop() {
  
  // call poll() regularly to allow the library to receive MQTT messages and
  // send MQTT keep alives which avoids being disconnected by the broker
  mqttClient.poll();
  
  LED_Message();
  // to avoid having delays in loop, we'll use the strategy from BlinkWithoutDelay
  // see: File -> Examples -> 02.Digital -> BlinkWithoutDelay for more info
  unsigned long currentMillis = millis();


 if (mfrc522.PICC_IsNewCardPresent() && mfrc522.PICC_ReadCardSerial()) {
    
     Serial.println(F("Please scan MIFARE Classic card..."));
    // 確認是否有新卡片
    
    byte *id = mfrc522.uid.uidByte;   // 取得卡片的UID
    byte idSize = mfrc522.uid.size;   // 取得UID的長度
    String Type;
    Serial.print("PICC type: ");      // 顯示卡片類型
    // 根據卡片回應的SAK值（mfrc522.uid.sak）判斷卡片類型
    MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
    Type= mfrc522.PICC_GetTypeName(piccType);
    Serial.println(mfrc522.PICC_GetTypeName(piccType));

    Serial.print("UID Size: ");       // 顯示卡片的UID長度值
    Serial.println(idSize);
 
    for (byte i = 0; i < idSize; i++) {  // 逐一顯示UID碼
      Serial.print("id[");
      Serial.print(i);
      Serial.print("]: ");
      Serial.println(id[i], HEX);       // 以16進位顯示UID值
    }
    Serial.println();



    json="";
    //json = json +(" Card UID: ");
    String json1=printHex(mfrc522.uid.uidByte, mfrc522.uid.size);
    json1.toUpperCase();
    json = json + json1;
    json.trim();
    //json = json +(" , PICC type: ");
    //json =  json + Type;
    //json.trim();

    bool retained = false;
    int qos = 1;
    bool dup = false;

    mqttClient.beginMessage(PubTopic3,  json.length(), retained, qos, dup);
    mqttClient.print(json);
    mqttClient.endMessage();

    Serial.println();
    // Dump debug info about the card; PICC_HaltA() is automatically called
    // 令卡片進入停止狀態
    // Dump debug info about the card; PICC_HaltA() is automatically called
    // mfrc522.PICC_DumpToSerial(&(mfrc522.uid));
    
    mfrc522.PICC_HaltA();
    mfrc522.PCD_StopCrypto1(); // stop encryption on PCD
  }
}
////===========================================================

Node-Red 程式

2024年2月14日星期三

ESP32 教學系列(二)：使用 Arduino IDE 2.x 開發

請參考

https://www.circuspi.com/index.php/2023/08/24/esp32-arduino-ide-2-x/

如何使用Ardino IDE 編譯上傳暨注意事項

2024年2月10日星期六

寫入與讀取Mifare卡片資料的程式碼

https://swf.com.tw/?p=941

寫入與讀取

讀取

/*
源自於
https://swf.com.tw/?p=941
使用到的MFRC522程式物件的方法和屬性：
MFRC522物件.PCD_Authenticate()：驗證金鑰，相當於比對輸入密碼和卡片裡的密碼，唯通過驗證才能存取區段資料。
MFRC522物件.GetStatusCodeName()：取得狀態碼的名稱
MFRC522物件.MIFARE_Read()：讀取指定區塊的內容
MFRC522物件.MIFARE_Write()：在指定區塊寫入資料
MFRC522物件.PICC_DumpMifareClassicSectorToSerial()：在序列埠監控視窗顯示指定的區段內容
*/

#include <SPI.h>
#include <MFRC522.h>

#define RST_PIN      27        // 讀卡機的重置腳位
#define SS_PIN       5        // 晶片選擇腳位

MFRC522 mfrc522(SS_PIN, RST_PIN);    // 建立MFRC522物件

MFRC522::MIFARE_Key key;  // 儲存金鑰

byte sector = 15;   // 指定讀寫的「區段」，可能值:0~15
byte block = 1;     // 指定讀寫的「區塊」，可能值:0~3
byte blockData[16];
//byte blockData = "KeepHacking";   // 最多可存入16個字元
// 若要清除區塊內容，請寫入16個 0
//byte blockData[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

// 暫存讀取區塊內容的陣列，MIFARE_Read()方法要求至少要18位元組空間，來存放16位元組。
byte buffer[18];
bool WrOK=false;
bool RdOK=false;
byte WrCNT=0;

MFRC522::StatusCode status;
//===================================================================
void writeBlock(byte _sector, byte _block, byte _blockData[]) {
  if (_sector < 0 || _sector > 15 || _block < 0 || _block > 3) {
    // 顯示「區段或區塊碼錯誤」，然後結束函式。
    Serial.println(F("Wrong sector or block number."));
    return;
  }

  if (_sector == 0 && _block == 0) {
    // 顯示「第一個區塊只能讀取」，然後結束函式。
    Serial.println(F("First block is read-only."));
    return;
  }

  byte blockNum = _sector * 4 + _block;  // 計算區塊的實際編號（0~63）
  byte trailerBlock = _sector * 4 + 3;   // 控制區塊編號

  // 驗證金鑰
  status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(mfrc522.uid));
  // 若未通過驗證…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("PCD_Authenticate() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  // 在指定區塊寫入16位元組資料
  status = (MFRC522::StatusCode) mfrc522.MIFARE_Write(blockNum, _blockData, 16);
  // 若寫入不成功…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("MIFARE_Write() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  // 顯示「寫入成功！」
  Serial.println(F("Data was written."));
  WrOK=true;

}

void readBlock(byte _sector, byte _block, byte _blockData[])  {
  if (_sector < 0 || _sector > 15 || _block < 0 || _block > 3) {
    // 顯示「區段或區塊碼錯誤」，然後結束函式。
    Serial.println(F("Wrong sector or block number."));
    return;
  }

  byte blockNum = _sector * 4 + _block;  // 計算區塊的實際編號（0~63）
  byte trailerBlock = _sector * 4 + 3;   // 控制區塊編號

  // 驗證金鑰
  status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(mfrc522.uid));
  // 若未通過驗證…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("PCD_Authenticate() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  byte buffersize = 18;
  status = (MFRC522::StatusCode) mfrc522.MIFARE_Read(blockNum, _blockData, &buffersize);

  // 若讀取不成功…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("MIFARE_read() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  // 顯示「讀取成功！」
  Serial.println(F("Data was read."));
  RdOK=true;

}

void setup() {
  Serial.begin(115200);
  SPI.begin();               // 初始化SPI介面
  mfrc522.PCD_Init();        // 初始化MFRC522卡片

  Serial.println(F("Please scan MIFARE Classic card..."));

  // 準備金鑰（用於key A和key B），出廠預設為6組 0xFF。
  for (byte i = 0; i < 6; i++) {
    key.keyByte[i] = 0xFF;
  }

}

void loop() {
  // 查看是否感應到卡片
  if ( ! mfrc522.PICC_IsNewCardPresent()) {
    return;  // 退回loop迴圈的開頭
  }

  // 選取一張卡片
  if ( ! mfrc522.PICC_ReadCardSerial()) {  // 若傳回1，代表已讀取到卡片的ID
    return;
  }
  
  
  //===================================================================
  RdOK=false;
  readBlock(sector, block, buffer);      // 區段編號、區塊編號、存放讀取資料的陣列
  if (RdOK==true) {
    Serial.println("Read OK"); 
  } 
  else
  {
    Serial.println("Read failure");  
  } 

  Serial.print(F("Read block: "));        // 顯示儲存讀取資料的陣列元素值
  for (byte i = 0 ; i < 16 ; i++) {
    Serial.write (buffer[i]);
  }
  Serial.println();

  // 令卡片進入停止狀態
  mfrc522.PICC_HaltA();
  mfrc522.PCD_StopCrypto1(); // stop encryption on PCD
  WrCNT+=1;
  if (WrCNT==100)
    WrCNT=0;
}

寫入與讀取

源自於
https://swf.com.tw/?p=941
使用到的MFRC522程式物件的方法和屬性：
MFRC522物件.PCD_Authenticate()：驗證金鑰，相當於比對輸入密碼和卡片裡的密碼，唯通過驗證才能存取區段資料。
MFRC522物件.GetStatusCodeName()：取得狀態碼的名稱
MFRC522物件.MIFARE_Read()：讀取指定區塊的內容
MFRC522物件.MIFARE_Write()：在指定區塊寫入資料
MFRC522物件.PICC_DumpMifareClassicSectorToSerial()：在序列埠監控視窗顯示指定的區段內容
*/

#include <SPI.h>
#include <MFRC522.h>

#define RST_PIN      27        // 讀卡機的重置腳位
#define SS_PIN       5        // 晶片選擇腳位

MFRC522 mfrc522(SS_PIN, RST_PIN);    // 建立MFRC522物件

MFRC522::MIFARE_Key key;  // 儲存金鑰

byte sector = 15;   // 指定讀寫的「區段」，可能值:0~15
byte block = 1;     // 指定讀寫的「區塊」，可能值:0~3
byte blockData[16];
//byte blockData = "KeepHacking";   // 最多可存入16個字元
// 若要清除區塊內容，請寫入16個 0
//byte blockData[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

// 暫存讀取區塊內容的陣列，MIFARE_Read()方法要求至少要18位元組空間，來存放16位元組。
byte buffer[18];
bool WrOK=false;
bool RdOK=false;
byte WrCNT=0;

MFRC522::StatusCode status;
//===================================================================
void writeBlock(byte _sector, byte _block, byte _blockData[]) {
  if (_sector < 0 || _sector > 15 || _block < 0 || _block > 3) {
    // 顯示「區段或區塊碼錯誤」，然後結束函式。
    Serial.println(F("Wrong sector or block number."));
    return;
  }

  if (_sector == 0 && _block == 0) {
    // 顯示「第一個區塊只能讀取」，然後結束函式。
    Serial.println(F("First block is read-only."));
    return;
  }

  byte blockNum = _sector * 4 + _block;  // 計算區塊的實際編號（0~63）
  byte trailerBlock = _sector * 4 + 3;   // 控制區塊編號

  // 驗證金鑰
  status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(mfrc522.uid));
  // 若未通過驗證…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("PCD_Authenticate() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  // 在指定區塊寫入16位元組資料
  status = (MFRC522::StatusCode) mfrc522.MIFARE_Write(blockNum, _blockData, 16);
  // 若寫入不成功…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("MIFARE_Write() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  // 顯示「寫入成功！」
  Serial.println(F("Data was written."));
  WrOK=true;

}

void readBlock(byte _sector, byte _block, byte _blockData[])  {
  if (_sector < 0 || _sector > 15 || _block < 0 || _block > 3) {
    // 顯示「區段或區塊碼錯誤」，然後結束函式。
    Serial.println(F("Wrong sector or block number."));
    return;
  }

  byte blockNum = _sector * 4 + _block;  // 計算區塊的實際編號（0~63）
  byte trailerBlock = _sector * 4 + 3;   // 控制區塊編號

  // 驗證金鑰
  status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(mfrc522.uid));
  // 若未通過驗證…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("PCD_Authenticate() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  byte buffersize = 18;
  status = (MFRC522::StatusCode) mfrc522.MIFARE_Read(blockNum, _blockData, &buffersize);

  // 若讀取不成功…
  if (status != MFRC522::STATUS_OK) {
    // 顯示錯誤訊息
    Serial.print(F("MIFARE_read() failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  // 顯示「讀取成功！」
  Serial.println(F("Data was read."));
  RdOK=true;

}

void setup() {
  Serial.begin(115200);
  SPI.begin();               // 初始化SPI介面
  mfrc522.PCD_Init();        // 初始化MFRC522卡片

  Serial.println(F("Please scan MIFARE Classic card..."));

  // 準備金鑰（用於key A和key B），出廠預設為6組 0xFF。
  for (byte i = 0; i < 6; i++) {
    key.keyByte[i] = 0xFF;
  }

}

void loop() {
  // 查看是否感應到卡片
  if ( ! mfrc522.PICC_IsNewCardPresent()) {
    return;  // 退回loop迴圈的開頭
  }

  // 選取一張卡片
  if ( ! mfrc522.PICC_ReadCardSerial()) {  // 若傳回1，代表已讀取到卡片的ID
    return;
  }
  
  WrOK=false;

  String WriteSTR="alex9ufo RFID";   // 最多可存入16個字元
  String stringOne = String(WrCNT, DEC);
  WriteSTR+=stringOne;
  WriteSTR.getBytes(blockData, 16);
  for (byte i = 0 ; i < 16 ; i++) {
    Serial.write (blockData[i]);
  }
  writeBlock(sector, block, blockData);  // 區段編號、區塊編號、包含寫入資料的陣列
  
  if (WrOK==true) {
    Serial.println("Write OK"); 
  } else
  {
    Serial.println("Write failure");  
  } 

  //===================================================================
  RdOK=false;
  readBlock(sector, block, buffer);      // 區段編號、區塊編號、存放讀取資料的陣列
  if (RdOK==true) {
    Serial.println("Read OK"); 
  } 
  else
  {
    Serial.println("Read failure");  
  } 

  Serial.print(F("Read block: "));        // 顯示儲存讀取資料的陣列元素值
  for (byte i = 0 ; i < 16 ; i++) {
    Serial.write (buffer[i]);
  }
  Serial.println();

  // 令卡片進入停止狀態
  mfrc522.PICC_HaltA();
  mfrc522.PCD_StopCrypto1(); // stop encryption on PCD
  WrCNT+=1;
  if (WrCNT==100)
    WrCNT=0;
}

2024年2月5日星期一

opendata 的取得

https://data.moenv.gov.tw

https://data.moenv.gov.tw/api/v2/aqf_p_01?api_key=aa1b57c2bf-24c2-4c557-980f-a120775c2caec

"records": [

{

"sitename": "塔塔加",

"uvi": "0",

"unit": "環境部",

"county": "嘉義縣",

"wgs84_lon": "120,51,35",

"wgs84_lat": "23,28,19",

"datacreationdate": "2024-02-05 19:00"

{

"sitename": "阿里山",

"uvi": "0",

"unit": "環境部",

"county": "嘉義縣",

"wgs84_lon": "120,48,8",

"wgs84_lat": "23,30,37",

"datacreationdate": "2024-02-05 19:00"

{

"sitename": "屏東",

"uvi": "0",

"unit": "環境部",

"county": "屏東縣",

"wgs84_lon": "120,29,17",

"wgs84_lat": "22,40,23",

"datacreationdate": "2024-02-05 19:00"

{

"sitename": "橋頭",

"uvi": "0",

"unit": "環境部",

"county": "高雄市",

"wgs84_lon": "120,18,20",

"wgs84_lat": "22,45,27",

"datacreationdate": "2024-02-05 19:00"

{

"sitename": "新營",

"uvi": "0",

"unit": "環境部",

"county": "臺南市",

"wgs84_lon": "120,19,2",

"wgs84_lat": "23,18,20",

"datacreationdate": "2024-02-05 19:00"

2024年2月4日星期日

Node-Red 取得opendata PM2.5 經MQTT Server 回傳至Line Notify+Node-Red

Node-Red 取得opendata PM2.5 經MQTT Server 回傳至Line Notify+Node-Red

  {
            "sitename": "沙鹿",
            "county": "臺中市",
            "aqi": "37",
            "pollutant": "",
            "status": "良好",
            "so2": "1.5",
            "co": "0.36",
            "o3": "22.9",
            "o3_8hr": "26.8",
            "pm10": "37",
            "pm2.5": "14",
            "no2": "15",
            "nox": "18.3",
            "no": "3.3",
            "wind_speed": "3",
            "wind_direc": "320",
            "publishtime": "2024\/02\/05 16:00:00",
            "co_8hr": "0.3",
            "pm2.5_avg": "11.5",
            "pm10_avg": "23",
            "so2_avg": "1",
            "longitude": "120.568794",
            "latitude": "24.225628",
            "siteid": "29"
        },
        {
            "sitename": "大里",
            "county": "臺中市",
            "aqi": "31",
            "pollutant": "",
            "status": "良好",
            "so2": "1.1",
            "co": "0.26",
            "o3": "34.1",
            "o3_8hr": "34.2",
            "pm10": "8",
            "pm2.5": "8",
            "no2": "",
            "nox": "",
            "no": "",
            "wind_speed": "1.4",
            "wind_direc": "302",
            "publishtime": "2024\/02\/05 16:00:00",
            "co_8hr": "0.2",
            "pm2.5_avg": "7.9",
            "pm10_avg": "9",
            "so2_avg": "1",
            "longitude": "120.67844444",
            "latitude": "24.09961111",
            "siteid": "30"
        },
        {
            "sitename": "忠明",
            "county": "臺中市",
            "aqi": "37",
            "pollutant": "",
            "status": "良好",
            "so2": "1.6",
            "co": "0.3",
            "o3": "31.1",
            "o3_8hr": "28.2",
            "pm10": "14",
            "pm2.5": "11",
            "no2": "13.7",
            "nox": "14.5",
            "no": "0.7",
            "wind_speed": "3.1",
            "wind_direc": "302",
            "publishtime": "2024\/02\/05 16:00:00",
            "co_8hr": "0.3",
            "pm2.5_avg": "11.3",
            "pm10_avg": "19",
            "so2_avg": "1",
            "longitude": "120.641092",
            "latitude": "24.151958",
            "siteid": "31"
        },

https://data.moenv.gov.tw/api/v2/aqx_p_432?api_key=e81dd42e6-9b18b-43f8-991e-b3dee723a52d&limit=1000&sort=ImportDate%20desc&format=JSON

改成自己的金鑰

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