More about board (456)

1-07-1981 | /I scoreboard This scoreboard featured in this article is intended for use in quiz type competitions where competi- tors can both gain and l...

1-07-1981 | C. Voss digital keyboard At first sight, this circuit looks rather complicated. It is a keyboard encoder, and it performs the following func...

1-07-1981 | ously. When a key is depressed, the output of IC2 remains logic zero until the counter reaches the corresponding address for that particular...

1-01-1981 | circuits and boards elektor january 1981 — 1-29 Reliability Two main factors determine the long term reliability of a particular project....

1-09-1980 | 9-22 — elektor september 1980 VOX printed circuit board VOX printed circuit board particular voice pattern, since both the bandwidth and t...

1-07-1980 | 7-72 elektor july/august 1980 SI 12 03 0310 13 04 IC4 04 74LS175 9 4 Di 01 5O202 2D217 12D303 5V® HEXA DEC. Keyboard DI mim P.STROBE STROBE...

1-02-1980 | 2-32 — elektor february 1980 digisplay p.c. board for the It was probably the simplicity of the circuit"s design which helped it to score...

1-01-1980 | 1-30 — elektor january 1980 talk funny on board 6a. Output "b" is again connected to all ten inputs "b" on the filter unit boards. The out...

1-07-1979 | When housewiring, the addition of an extra switch and light to an ex-isting circuit using the same power supply point would not normally cau...

1-05-1979 | The ASCII keyboard (Elektor, November 1978) is more versatile than may appear at first sight. Some readers have com-mented that a `shift-loc...