A light-sensitive stylus wired to a video terminal used to draw pictures or select menu options. The user brings the pen to the desired point on screen and presses the pen button to make contact.
Sometimes the simplest of projects end up revealing the most interesting of things, as for example is the case with [Ryo Mukai]’s light pen for the Vectrex console. It’s an extremely simple ...
Lumenoise is an audio synthesizer controlled by drawing with a light-sensitive pen on a CRT television. The pen is a self-contained module which connects to the TV via audio and composite video ...