M5Stack 串列通訊擴展模組-M011

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M5Stack 串列通訊擴展模組-M011

COMMU 是M5Stack堆疊模組系列中的一款，通訊轉換模組，其內部集成了2個I2C接口、1個TTL接口、1個CAN接口、1個RS485接口，能夠滿足開發時遇到的各種通訊轉換需求。

產品貨號：368031600032
區號：Qf19-09
品牌：M5Stack
原廠貨號：M011

滿千免運優惠(限郵寄和超商純取貨) on order

本賣場無實體店面，無提供自取服務，敬請見諒。 on order

NT$405

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Description

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Description

商品簡介

COMMU 是M5Stack堆疊模組系列中的一款，通訊轉換模組，其內部集成了2個I2C接口、1個TTL接口、1個CAN接口、1個RS485接口，能夠滿足開發時遇到的各種通訊轉換需求。

默認連接:TTL - UART0，RS485 - UART2.ESP32允許引腳映射重分配，所以你可以將TTL或是RS485接口重新定義到其他引腳

商品特色

●支援IIC,TTL,RS485,CAN等多種通訊協議

商品規格

規格	參數
接口	I2C x2, CAN x1, RS485 x1, TTL x1
CAN 控制器	MCP2515-1/SO
RS485收發器	SP3485EN-L/TR
淨重	13.5g
產品尺寸	54.2x54.2x13 mm

文件下載

資料手冊

範例程序

Arduino IDE

請點擊查看Arduino範例程序

如何查詢I2C位址

操作流程

STEP 1. 將欲查詢的模組連接至Arduino UNO（附圖為腳位參考，實際請比對商品標示接線）

STEP 2. 開啟Arduino IDE並新增檔案

STEP 3. 貼入教學下方的範例文件，並上傳到Arduino UNO，即會開始掃描I2C位址

STEP 4. 開啟序列埠監控視窗，即可取得I2C位址

I2C掃描範例程式

    / ---------------------------------------------------------------- / 
  // Arduino I2C Scanner 
  // Re-writed by Arbi Abdul Jabbaar 
  // Using Arduino IDE 1.8.7 
  // Using GY-87 module for the target 
  // Tested on 10 September 2019 
  // This sketch tests the standard 7-bit addresses 
  // Devices with higher bit address might not be seen properly. 
  / ---------------------------------------------------------------- / 
    
  #include  //include Wire.h library 
    
  void setup() 
  { 
   Wire.begin(); // Wire communication begin 
   Serial.begin(9600); // The baudrate of Serial monitor is set in 9600 
   while (!Serial); // Waiting for Serial Monitor 
   Serial.println("\nI2C Scanner"); 
  } 
    
  void loop() 
  { 
   byte error, address; //variable for error and I2C address 
   int nDevices; 
    
   Serial.println("Scanning..."); 
    
   nDevices = 0; 
   for (address = 1; address < 127; address++ ) 
   { 
   // The i2c_scanner uses the return value of 
   // the Write.endTransmisstion to see if 
   // a device did acknowledge to the address. 
   Wire.beginTransmission(address); 
   error = Wire.endTransmission(); 
    
   if (error == 0) 
   { 
   Serial.print("I2C device found at address 0x"); 
   if (address < 16) 
   Serial.print("0"); 
   Serial.print(address, HEX); 
  	 Serial.println(" !"); 
   nDevices++; 
   } 
   else if (error == 4) 
   { 
   Serial.print("Unknown error at address 0x"); 
   if (address < 16) 
   Serial.print("0"); 
   Serial.println(address, HEX); 
   } 
   } 
   if (nDevices == 0) 
   Serial.println("No I2C devices found\n"); 
   else 
   Serial.println("done\n"); 
    
   delay(5000); // wait 5 seconds for the next I2C scan 
  } 

 

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M5Stack 串列通訊擴展模組 x 1

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Delivery Options

Overseas (FedEx)
Overseas (Post)
Postal delivery
7-11 Pickup and pay in store (C2C)
7-11 Pickup only (C2C)
Tcat - Room Temp.
Tcat - Room Temp. (Collect on Delivery)
Draft quotation

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Pay on 7-11 Store Pickup (C2C)

	/ ---------------------------------------------------------------- /
	// Arduino I2C Scanner
	// Re-writed by Arbi Abdul Jabbaar
	// Using Arduino IDE 1.8.7
	// Using GY-87 module for the target
	// Tested on 10 September 2019
	// This sketch tests the standard 7-bit addresses
	// Devices with higher bit address might not be seen properly.
	/ ---------------------------------------------------------------- /

	#include //include Wire.h library

	void setup()
	{
	Wire.begin(); // Wire communication begin
	Serial.begin(9600); // The baudrate of Serial monitor is set in 9600
	while (!Serial); // Waiting for Serial Monitor
	Serial.println("\nI2C Scanner");
	}

	void loop()
	{
	byte error, address; //variable for error and I2C address
	int nDevices;

	Serial.println("Scanning...");

	nDevices = 0;
	for (address = 1; address < 127; address++ )
	{
	// The i2c_scanner uses the return value of
	// the Write.endTransmisstion to see if
	// a device did acknowledge to the address.
	Wire.beginTransmission(address);
	error = Wire.endTransmission();

	if (error == 0)
	{
	Serial.print("I2C device found at address 0x");
	if (address < 16)
	Serial.print("0");
	Serial.print(address, HEX);
	Serial.println(" !");
	nDevices++;
	}
	else if (error == 4)
	{
	Serial.print("Unknown error at address 0x");
	if (address < 16)
	Serial.print("0");
	Serial.println(address, HEX);
	}
	}
	if (nDevices == 0)
	Serial.println("No I2C devices found\n");
	else
	Serial.println("done\n");

	delay(5000); // wait 5 seconds for the next I2C scan
	}

M5Stack 串列通訊擴展模組-M011

商品簡介

商品特色

商品規格

文件下載

範例程序

如何查詢I2C位址

操作流程

I2C掃描範例程式

出貨清單

Delivery Options

Payment Options

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