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Annoy your friends with HID USB keystroke dongle

This little thing is a small thumbdrive like board that can be attached to any PC back USB socket. It actually acts as phantom keystroke that is capable to send keyboard strokes or move mouse around. As it works as HID it doesn’t need additional drivers so it’s quite fun.

Keystroker has some intelligence built in. One of those is a Photoresistor that can be programmed to sense light in the office, or simply speaking – “it’s time to send keystrokes – someone is at the computer.” Secondly it has a dip switch IC where you can select various options of annoyances. The whole fun is built around Teensy USB development board based on ATmega32 microcontroller that is very compact and easy to program. So this is a little fun thing to play around with.

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