I’ve been reading and rereading articles for weeks now and I still can’t figure out this issue. Why is it that even if you get a Bluetooth module with an HID profile stack (eg the RN42-XV Bluetooth Module) the only way you can communicate to android is through another app? My initial project is to make a simple push button send a single keyboard key press to a text editor without any additional fluff. The thing that gets me is you can buy countless bluetooth keyboards that function right out of the box as keyboards and by default the RN42-XV is configured to be a keyboard but it still doesn’t work as seamlessly. I don’t have enough knowledge with android to make an app. If any one has any advice on this I’d greatly appreciate it.
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