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Seeeduino ADK Mega Board is based on Android Open Accessory Development Kit (ADK).
Compared to the Google's ADK Reference design, Seeeduino ADK has many added features like support of both 5V and 3.3V I/O (logic with a switch), smaller form-factor, better placement of reset button, pads for more pin-headers and sparkling RED PCB with Golden finish.
Using ADK Mega Board you can build your own Mobile accessories. Open Source Android development platform and Seeeduino ADK Mega Board is an ideal solution for mobile based Home Automation.
Seeeduino ADK Mega Board supports Android devices v1.5 using MicroBridge and v2.3.4 and above with Google Open Accessories API (ADK).
Seeeduino ADK Mega Board works like Arduino Mega 2560 with inbuilt USB Host Shield. Hence, this Main Board can be connected to any USB devices. Users have to write their own drivers for using this feature.
What is Android Open Accessory Development Kit ?
The Android 3.1 platform (also backported to Android 2.3.4) introduces Android Open Accessory support, which allows external USB hardware (an Android USB accessory) to interact with an Android-powered device in a special "accessory" mode. When an Android-powered powered device is in accessory mode, the connected accessory acts as the USB host (powers the bus and enumerates devices) and the Android-powered device acts as the device.
Android USB accessories are specifically designed to attach to Android-powered devices and adhere to a simple protocol (Android accessory protocol) that allows them to detect Android-powered devices that support accessory mode. Accessories must also provide 500mA at 5V for charging power.
Many previously released Android-powered devices are only capable of acting as a USB device and cannot initiate connections with external USB devices. Android Open Accessory support overcomes this limitation and allows you to build accessories that can interact with an assortment of Android-powered devices by allowing the accessory to initiate the connection.
Features:
- Android Open Accessories development Kit (ADK) compatible:
- Supports Android v2.3.4 and above devices.
- Works with Android Debug Bridge (ADB) using MicroBridge:
- Supports Android v1.5 and above devices.
- Arduino Mega 2560 compatible (256K Flash MCU)
- Simply works like an Arduino Mega with an integrated USB Shield
- 56 Digital IOs
- 14 PWM outputs
- 4 Hardware serial ports (UART)
- 1 Hardware TWI (I2C)
- 1 Hardware SPI (up to 8Mbps)
- On board USB host(MAX3421), and breakout for all I/Os pins.
- On board USB slave(FT232RL), and IOs breakout
- Build-in 5V-1A switched power regulator (input range 6V - 18V)
- Build-in 3.3V-500mA LDO power regulator.
- Red PCB, ROHS compatible and Golden finish.
- 5v/3v3 IO Level selectable (Atmega2560 running on 16MHz@3.3v is a bit over-clock, but according to the test result, works fine).
Application Ideas:
- Develop accessories for Android (v2.3.4 and above) devices using ADK.
- For Android devices not supporting ADK, use MicroBridge to develop accessories.
- Make Android devices interact with the physical world.
- As an Arduino compatible platform with 256K Flash.
- On board USB host makes it easy to interact with USB devices like pen drivers, keyboard, mouse, Bluetooth dongles.
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