GeoStamp® Audio converts GPS receiver latitude, longitude, heading, speed, altitude, date, and time into a continuous audio stream that can be recorded by devices such as video camcorders...
KeyVerter® PS/2 Keyboard To RS-232/TTL Converter
KeyVerter® converts key stroke events from any PS/2 keyboard (small DIN connector) into an RS-232 and TTL serial output stream. Keyboard enable your favorite microcontroller like Parallax's BASIC Stamp 2 using only one 9600 baud serial input pin.