| The idea presented here concerns the combination of digital and analogue techniques to produce an intelligent preamplifier with integral t...
All items tagged with LED and Switch (38)
| 60 EE March 1989 EPROM-CONTROLLED TIME SWITCH by J. Vinckier Time switches can take many shapes. Where apparatus has to be switched on and o...
| C G Mangold 89 audio-controlled mains switch EE 110 July/August 1986 It is often useful for audio or video equipment to be switched off auto...
| for computer-controlled d.c. powered 373 equipment 374 5V 2001 T2 It is not enough simply to own a micro computer, you must also know what t...
| switches sounds electronically In a few situations it is desirable to be able to switch audio signals elec- tronically. One such situation i...
| switching channel for radio control elektor june 1983 switching channel for radio control The proportional radio control systems which are a...
| 7-day timer/controller Elektor April 1983 The last time we published a single-chip programmable timer was way back in May 1979 and the circu...
| People with a passion for hifi equipment and active speaker units are bound to have sought ways in which to switch on the output units via t...