Hello,
Let me rephrase my question. If I understand this correctly, an
accessory must have its own power source and, moreover, should also
provide power to the phone (500mA at 5V for charging power).
In this case, it seems that the accesories can only be bulky devices
(such as the Arduino board i
Daniel, Pankaj,
Thank you both for your answers. Yes, it seems that we will have to
stick to using the USB Host on the Android device.
It seems there are a couple of phones supporting USB Host as well
(Samsung Galaxy S2 and HTC Desire HD). Maybe more will come out. If
they have Android 4.0 they s
Alex,
I am not an expert, but ADK assumes that the accessory takes the role
of USB HOST on the bus Android <---> Accessory.
This according to USB standard has very specific power implications,
including provision of power to devices connected to USB bus.
Host provides the power, while client drai
Hi Alex,
I am not an expert here but starting 3.1 onwards android devices can act
as USB host. So essentially your device can act as the USB device and
can also get powered from the Android phone/tablet. This though has
implications on battery of your android device but in case your USB
device jus
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