More about LED (792)

1-01-1991 | This second and concluding part of the article deals with the operation of the I²C-PC insertion card that forms the link between the compu...

1-12-1990 | This Videotext decoder, designed and marketed as a kit by ELV, allows the decoding and storage of Videotext (or Teletext) pages on an IBM...

1-12-1990 | The mute circuit presented here Is specially designed for use with the Roland MT32 module, although with some small alterations it should...

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

1-12-1990 | The light-emitting diode with integrated flasher is connected in series with the base emitter junction of tranaistot T1. This results in...

1-10-1990 | The telephone exchange presented here allows up to eight pulse-dialling telephone sets to be connected, and has an option tor connecting c...

1-07-1990 | This compact tester, designed and marketed as a kit by ELV,has three LEDs that indiaote the condition of alkali-manganese, carbon-zinc,...

1-07-1990 | The adjustable flashing rate and low offstate current drain make this circuit eminently suitable for use as an on-off indicator where batter...

1-06-1990 | This mains-powered stroboscope, designed by ELV, ofters a wide range of settings as weil as an external trigger feature so that it can be...

1-04-1990 | The idea presented here concerns the combination of digital and analogue techniques to produce an intelligent preamplifier with integral t...