All items tagged with portable and LED (3)

1-01-1998 | Few audio enthusiasts possess, or have access to, equipment required for accurately measuring the performance of a loudspeaker or the...

1-09-1994 | This inexpensive oscilloscope can be used at frequencies up to 20-30 kHz (optionally up to 1 MHz). It works from 12 V and can thus be use...

1-12-1990 | Applications for this mechanically set and reset bistable are found, among others, in anti-theft devices and model railway crossings.