All items tagged with Audio and light (4)

1-12-2014 | The audio traffic light is a straightforward circuit which tells you whether an audio signal is dangerous for your ears or not.

1-07-1993 | The audio signal is applied to the indicator circuit via a 1:1-1:4 microphone transformer. Its level determines which of the two lamps. L,...

1-06-1993 | Making an audio signal visible on a display is something that appeals to many audio & hi-fi enthusiasts. Most commercial audio equipment...

1-03-1983 | audio traffic light elektor march 1983 What has a traffic light got to do with audio? Nothing, really, but this particular circuit drives th...