Steel Battalion Controller USB adapter using a Pi Pico RP2040
Adapter outputs as USB HID.
The adapter is very simple to make. Just requires soldering an xbox input connector to a Pico. Or a usb connector, and use a xbox to usb dongle.
Output as HID with 8 analog axis and 62 digital buttons.
It can control the device LEDs but there's no interface for it. I might do something in the future to receive commands via serial COM port.
Check the wiring guidance here.
I'm not using any resistor and I don't think it's needed.
Pins can be changed.
Define the D+ pin on sketch. D- will be D+ + 1.
Check the arduino sketch file for required libs.
SBC docs by xboxdevwiki
Pico-PIO-USB by sekigon-gonnoc
Code and wiring directions are provided to you 'as is' and without any warranties. Use at your own risk.