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| 商品簡介 |
JOYSTICK是一款搖桿控制Unit，內部集成MEGA328 晶片，工作原理與一般的搖桿遊戲手柄類似，X、Y軸分別對應著兩個10K 的電位器，當搖桿進行動作時，產生相應的模擬信號並向M5Core輸入搖桿的偏移值，Z軸方向則為一個按鈕應用。
內部電路中，搖桿 X 方向連接至 MEGA328 的 A0 管腳，Y 方向連接至 A1 管腳，Z 方向連接至 A2管腳
該 Unit 通過GROVE A接口與M5Core進行通信，I2C地址為0x52
● 開發平台: Arduino, UIFlow(Blockly, Python)
● 2x LEGO 兼容孔
● 遊戲控制器
● 機器人遠程控制
| 商品規格 |
| 規格 | 參數 |
| X.Y軸範圍 | 10-250 |
| Z軸輸出值 | 0-1 |
| 淨重 | 11g |
| 產品尺寸 | 48x 24x 32 (mm) |
| 電路圖 |
| EasyLoader |
M5StickC/V/T/ATOM系列可免驅動使用)
| 管腳映射 |
| M5Core(GROVE A) | GPIO22 | GPIO21 | 5V | GND |
| JOYSTICK Unit | SCL | SDA | 5V | GND |
Mega328 ISP下載接口Pin腳定義
| 範例程序 |
1.Arduino IDE
2.UIFlow
| 如何查詢I2C位址 |
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
| / ---------------------------------------------------------------- / | |
| // 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 |
|
| 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 | |
| } |
| 出貨清單 |