GitHub - samyk/usbdriveby: USBdriveby exploits the trust of USB devices by emulating an HID keyboard and mouse, installing a cross-platform firewall-evading backdoor, and rerouting DNS within seconds of plugging it in.
Happy Hacking Keyboard - Wikipedia
Hackers Can Spy on Wireless Keyboards From Hundreds of Feet Away - The Atlantic
Playwrite: a hack to turn the Playdate into a typewriter (and use USB controllers with the console) - Playdate Developer Forum
Ultimate Hacking Keyboard - The keyboard. For professionals.