# Arduino Uno R3 Clone Micro Usb(Arduino Uno R3 (Micro USB))

## 基本資料

- ID: arduino-uno-r3-clone-micro-usb
- 分類: board/arduino(Arduino 開發板)
- 型號: Arduino Uno R3

## 規格

- 供電電壓: 5 V
- USB 插座: micro-usb
- 尺寸: 68.7 × 53.3 × 15.5 mm
- 重量: 28 g

## 針腳

| 名稱 | 類型 | 說明 |
| --- | --- | --- |
| IOREF | output | I/O reference voltage, indicates logic voltage level |
| RESET | input | Active-low reset, pulling low restarts MCU |
| 3V3 | power |  |
| 5V | power |  |
| GND | ground |  |
| VIN | power | External supply input, accepts 6-20V DC |
| A0 | analog | Also usable as digital GPIO |
| A1 | analog | Also usable as digital GPIO |
| A2 | analog | Also usable as digital GPIO |
| A3 | analog | Also usable as digital GPIO |
| A4 | analog | Also usable as I2C SDA |
| A5 | analog | Also usable as I2C SCL |
| D0/RX | bidirectional | UART RX |
| D1/TX | bidirectional | UART TX |
| D2 | bidirectional | Supports external interrupt |
| D3 | bidirectional | Supports external interrupt and PWM |
| D4 | bidirectional |  |
| D5 | bidirectional | Supports PWM |
| D6 | bidirectional | Supports PWM |
| D7 | bidirectional |  |
| D8 | bidirectional |  |
| D9 | bidirectional | Supports PWM |
| D10/SS | bidirectional | Supports PWM and SPI slave select |
| D11/MOSI | bidirectional | Supports PWM and SPI MOSI |
| D12/MISO | bidirectional | SPI MISO |
| D13/SCK | bidirectional | Supports SPI SCK and built-in LED |
| AREF | input | Analog reference voltage input |
| SDA | bidirectional | I2C data |
| SCL | bidirectional | I2C clock |
| NC | nc | Not connected |

## 其他規格

- 輸入電壓 (Input voltage): 6-20V (建議在7-12V內)
- 連接 (Connection): Micro USB
- 支援三種供電方式 (支援三種供電方式): USB，VIN，外部5V輸入

## 素材

- photos: photos/01.jpeg, photos/02.jpeg, photos/03.jpeg, photos/04.jpeg, photos/05.jpeg, photos/06.jpeg, photos/07.jpg, photos/08.jpg, photos/09.jpeg(授權 CC-BY-4.0;來源:original)
- dimensions: dimensions.jpg(授權 CC-BY-4.0;來源:original)
- pinout: pinout.jpg(授權 CC-BY-4.0;來源:original)