All items tagged with Electronics and LED (19)

1-02-1997 | In here we respond to our reader letters.

1-07-1996 | The signal-controlled switch actuates or deactuates a.f. equipment, including preamplifiers, power amplifiers, and filters. It is partic...

1-07-1996 | The dual complementary pair of switching FETS and inverter contained in a Tvpe CD4007 CMOS IC enable an LED flasher to be made that uses...

1-12-1994 | Standard potentiometers have some unfortunate properties, such as crackling when they get older and unequal tracking in stereo types. A...

1-07-1991 | Although there are a number of ICs on the market with which it is quite simple to construct an LED VU meter, there is still interest in buil...

1-07-1991 | The most popular currcnt indicator in electronics is almost certainly the Iight-emitting diode (LED) which is available in a number of c...

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...

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

1-12-1983 | LED ornaments elektor december 1983 Around this time of the year even the most hardened of electronic hobbyists is likely to be thinking of...