All items tagged with measurement and light (3)

1-03-2002 | The light barrier system described in this article allows accurate measurement of the absolute speed of model cars, planes and other moving...

1-09-1998 | In an earlier article on light intensity measurement using the PC (Elektor Electronics February 1998 Supplement) it was claimed that accur...

1-02-1998 | We have reason to believe that this is a unique and novel circuit. It measures ambient light intensity by means of the serial port on your...