More about LED (794)

1-03-1982 | Large-gap semiconductors are potentially useful materials for the manufacture of light-emitting diodes. Their spectral range now includes th...

1-01-1982 | 1-12 — elektor january 1982 selektor Electronic technology greatly benefits the disabled The year 1981 was nominated the "Year for the Dis...

1-10-1981 | 10-02 — elektor october 1981 universal LED display Although a description of the circuit was published last month, it requires minor modif...

1-10-1981 | 10-32 -- elektor october 1981 LCD panel meter Digital panel meters have one major snag and that is their "floating" input. This can cause pr...

1-09-1981 | 9-38 — elektor september 1981 analogue LED display The UAA 170 IC differs from its UAA 180 counterpart in that it presents a dot display r...

1-07-1981 | 13 miser - LED te amount of The circuit described here allows he energy consumed by LEDs to be duced to a fraction of the normal value. This...

1-07-1981 | lam power levels as well. The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. The input buffer drives...

1-07-1981 | constant current LED It is normal nowadays to use a LED as a panel indicator whenever possible. However, in keeping with all electronic devi...

1-07-1981 | ED voltage monitor A stable power supply is absolutely essential for the correct operation of computers and TTL circuits. A voltage fluctuat...

1-07-1981 | 85 mains LED The very long life span of LEDs make them emi- Howev r, theira nently suitable for on/off indicatnors. ctedesince use on mains...