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Raspberry Pi Pico Sarcasm Injector Conveys Its Contempt For Humanity

Ben S's sarcasm injector
(Image credit: @BenSommerf)

Well, this is nice. A Canadian electronics tinkerer and Twitter user known as Ben S (opens in new tab) has created what can only be called a sarcasm injector using two $4 Raspberry Pi Pico (opens in new tab) boards. It sits between his keyboard and computer and, rather than employing irony to apply the lowest form of wit to his caustic missives, instead flips the caps lock setting on and off to mAkE hIs TeXt LoOk LiKe ThIs. 

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The injector is triggered by a simple flip switch on a box marked ‘SaRcAsM’, and employs a man-in-the-middle attack to intercept and decode the keyboard input, adding the caps lock signals to every other stroke. The two Pico boards are connected over UART, one appearing to the computer like a normal keyboard, and the other acting as a USB host to read the keyboard input.

Some of Ben S’s other inventions include a GameCube controller MIDI converter (opens in new tab), 3D printed plier tips (opens in new tab) for retrieving objects from his plughole, and an upgrade to a cheap digital calliper (opens in new tab) that lets it run from an AAA battery. They’re all excellent, no sarcasm intended.

Ian Evenden
Freelance News Writer

Ian Evenden is a UK-based news writer for Tom’s Hardware US. He’ll write about anything, but stories about Raspberry Pi and DIY robots seem to find their way to him.