When dealing with logic operations over BCD (binary-coded-decimal) numbers, you often need a 10-line-to-one-line data selector/multiplexer. In the past, you could use the famous 16-line-to-one-line ...
In this issue of Hackaday Dictionary, we cover the multiplexer and demultiplexer (also called mux and demux). They are essentially opposites but they work on the same principle. There are three parts: ...
The increasing number of audio and video sources (VCR, DVD, set-top box, etc.) in a typical home-entertainment system requires a simple way to select the desired source. The add-on mechanical switches ...
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