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> Simply open a text editor on your target PC (eg notepad, edit, vi), then hold HIDman's power button for a few seconds. The menu will be typed out into your text editor.

That's very cool and clever.

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I did something similar using Raspberry Pi 2040 - it pretends to be a USB keyboard, opens browser using 0xf0 key, types in https://www.youtube.com/watch?v=dQw4w9WgXcQ and press play after connecting to the PC.

https://github.com/EddieTheHead/RPIPicoRickRoll

I'm guessing this was killed because of the rick roll (heads up in case you click the youtube link before reading the repo name, the youtube link above is a rickroll) but I vouched for it because the linked github repo is genuinely very interesting. Thanks for sharing!

That's mindblowing to me.

Reclaiming the serial terminal in a USB way.

I vaguely remember playing with some physical keylogger (ps/2?) back in early 2000s that had similar feature - to configure it you enter some magic key sequence then it „typed” the menu and you execute some configuration commands via typing on a keyboard.

I saw that on a super-deluxe early PS/2 to USB converter (PI Engineering Y-Mouse)

It could have modes for Notepad, vim, and plain vt100 compatible :-)

It alao makes for a really cool out of band communication path. Pondering what this coupled with WiFi could do.

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