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 USB 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.
From now on we provided the bare board for you.
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials.
|Open Source||Hardware||Docs & Files||Software|
|Open Source Hardware Definition v1.0||Creative Commons - Attribution - ShareAlike 3.0||Creative Commons - Attribution - ShareAlike 3.0||Creative Commons - Attribution - ShareAlike 3.0|
|Destination & Service||Shipping Time||Cost|
|Worldwide - Standard||7-14 Business Days||$5.00 for first item, $0.00 for each additional item|
|Worldwide - Express||3-5 Business Days||$25.00 for first item, $0.00 for each additional item|
InMojo supports the Open Source Hardware Definition v1.0