| 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...
| 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...
| 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...
| The ASCII keyboard (Elektor, November 1978) is more versatile than may appear at first sight. Some readers have com-mented that a `shift-loc...
| The most common method of communicating with a microcomputer is via an alphanumeric keyboard. The keyboard assembly described here is princ...
| This circuit is designed to give an audible and visible warning to the absent-minded motorist who forgets to switch off...