IOIO-OTG for Android

IOIO-OTG (read Yoyo OTG) is a microcontroller board for all Android Device devices such as smart phones, tablet PCs or other devices. It is a Hardware Input / Output (can use Android OS since version 1.5. With this device, it is possible to pull the ability of the Android Device to work on the Embedded (the latest version).

Brand: Sparkfun

Version: sku: DEV-11343

IOIO-OTG boards can be connected to a Tablet / Mobile or PC. The IOIO-OTG board automatically adjusts itself to Device Mode when connected to a PC. It can receive Power Soruce via a USB cable from the USB side. Host PC has IOIO-OTG board to set itself as a virtual serial port

IOIO-OTG will adapt itself to Host Mode, which IOIO-OTG can power to Tablet / Mobile (but need to supply Power Supply).

What separates the IOIO-OTG from previous IOIO boards is the ability to leverage the USB On-The-Go specification to connect as a host or an accessory. There are several ways to connect the IOIO to your Java app. If the app is running on your Android device, the IOIO-OTG will act as a USB host and the current supply to your device (meaning the IOIO-OTG will need its own power source). If your app is running on a Windows, Linux or OSX machine, the IOIO-OTG will assume the device mode and present itself as a virtual serial port. When in device mode, the IOIO-OTG can be powered by the host! Connecting a USB Bluetooth dongle will cause the IOIO-OTG to show up as a Bluetooth serial connection so you can go wireless!

A switch on the board can be used to force the IOIO-OTG into host mode, but most of the time the board can be left in 'auto' mode and it will detect its role in the connection. We are now shipping the IOIO-OTG board loaded with the V4.00 bootloader and the V3.30 firmware application. New firmware application is frequently released, and can be upgraded without a programmer using the IOIODude application.

The board includes a JST connector for attaching a LiPo battery and there are several pin headers broken out for voltage and ground access. A trimpot on the board allows you to adjust the charge current used when the IOIO-OTG is acting as a host. A USB-A is a micro-A OTG cable is included which will let you connect your android device to the micro-USB port on the board using the cable that came with your android device.

Note: This product is a collaboration with Ytai Ben-Tsvi, who has elected forfeit his royalties to reduce the retail price. Thanks Ytai!

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