[Andy] stuffed some more RAM onto an Arduino Mega and his three-part walk through on the design, construction, and software is a great read and one of the more ‘hard core’ Arduino builds we’ve seen.

[Amirreza Nasiri] sends in this cool USB keystroke injector. The device consists of an Arduino, a Bluetooth module, and an SD card. When it’s plugged into the target computer the device loads the ...