How to combine this with keyboard about mouse-stick

[shofel]

Please expand your intention, and maybe we together find a way to do the trick.

[shofel]

I think, here is a way to turn a joystick to a keyboard :D
https://play.google.com/store/apps/details?id=com.exideas.mekb

[hha1]

Please expand your intention, and maybe we together find a way to do the trick.
I found a new example and have tried to implement it. But when I use flip to upload hex files, I will be prompted "invalid HEX file syntax". Do you know what's going on？
This is the website:HID

[shofel]

Closing for housekeeping reasons.