I wonder which hardware will be the best for playing with USB because its looks like a lot of projects only use atmega8 (or even attiny). But would it really be easier with an AT90USB which have the built-in USB?
I have already looked at some HID libraries (lufa, avr-usb, v-usb…) but they are complex. Does anyone have a link to a specific project or a one-case explanation of the USB implementation?
For the details : I would like to make a ~25 button joystick and I work on linux.
Answer
Have a look at these questions:
How to build a USB controller having knobs, sliders, and switches
I'd like to learn how to make my own USB gadgets
I would use a Teensy, here are some links to projects
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