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ARDUINO LEONARDO WITH HEADERS
簡介
Arduino Leonardo是Arduino團隊最新推出的低成本Arduino控制器。它有20個數字輸入輸出口，7個PWM口以及12個模擬輸入口。相比其它版本的Arduino使用獨立的USB-Serial轉換芯片，Leonardo創新的採用了單芯片解決方案。只用了一片Atmega32u4來實現USB通信以及控制。這種創新設計降低了Leonardo的成本。Atmega32u4的原生態支持USB特性還能讓Leonardo模擬成鼠標和鍵盤，極大地提高了應用場合。使用Arduino Leonardo需要新版本的Arduino IDE1.01 以上版本。關於Arduino Leonardo和普通的Arduino有一些明顯的差異，具體內容可參見Arduino Leonardo 指導文檔。
技術規格
- 控制器：ATmega32u4
- 工作品錄：16 MHz
- 工作電壓：5V
- 輸入電壓（推薦）：7-12V
- 數字IO口：20
- PWM通道：7
- 模擬輸入：12
- 5V數字/模擬口最大允許電流：40 mA
- 3.3V 數字/模擬口最大允許電流：50 mA
- Flash Memory：32 KB (ATmega32u4) of which 4 KB used by bootloader
- SRAM：2.5 KB (ATmega32u4)
- EEPROM：1 KB (ATmega32u4)
相關文檔
《英文說明》
Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux). Never fear for accidental electrical discharge, either since since the Leonardo also includes a plastic base plate to protect it!
The Leonardo is Arduino’s first development board to use one microcontroller with built-in USB. Using the ATmega32U4 as its sole microcontroller allows it to be cheaper and simpler. Also, because the 32U4 is handling the USB directly, code libraries are available which allow the board to emulate a computer keyboard, mouse, and more using the USB-HID protocol!
It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
《 FEATURES 》特色
- ATmega32u4 Microcontroller
- Input Voltage: 7-12V
- 20 Digital I/O Pins
- 7 PWM Channels
- 12 ADCs
- 16MHz Clock Speed
- 32 KB Flash Memory
