GitHub - justcallmekoko/Hardware-Keyloggers: Research done about modern hardware keyloggers
GitHub - samyk/keysweeper: KeySweeper is a stealthy Arduino-based device, camouflaged as a functioning USB wall charger, that wirelessly and passively sniffs, decrypts, logs and reports back (over GSM) all keystrokes from any
Using USB Host Shield with ArduinoHardware Fun | Hardware Fun