| C. Voss digital keyboard At first sight, this circuit looks rather complicated. It is a keyboard encoder, and it performs the following func...
More about Keyboard (63)
| ously. When a key is depressed, the output of IC2 remains logic zero until the counter reaches the corresponding address for that particular...
| 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...