More about LED (792)

1-10-1984 | direct-coupled modem elektor october 1984 direct coupled modem a multi-standard alternative to the acoustically- coupled modem A kit of the...

1-07-1984 | with LED indication One of the largest annual expenses for most home owners is the fuel for the central heating. Apart from keep- ing the ho...

1-07-1984 | 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...

1-07-1984 | switches sounds electronically In a few situations it is desirable to be able to switch audio signals elec- tronically. One such situation i...

1-07-1984 | july/august 1984 . . . uses LEDs We present a new game that might be described as a sort of electronic one-armed bandit. The good news is, h...

1-07-1984 | for testing digital circuits This design is a somewhat unusual test aid for digital circuits. Most such circuits are usually tested in a sta...

1-07-1984 | / simple, but effective It is sometimes necessary, or at least desirable, to be able to detect relatively large a.c. currents. One way of do...

1-07-1984 | rim with LED indication An event counter, as could be ex- pected, counts events, or, to be more precise, it counts the occur- rences of a pa...

1-07-1984 | easy-to-make reference circuit It is often interesting (if not required) to know whether an amplifier is going into saturation, or whether c...

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...