Category Archives: Hackaday Dictionary

Hackaday Dictionary: Open- and Closed-Loop Systems

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Today on Hackaday Dictionary, we’re going to talk about the two basic types of control systems: open-loop and closed-loop. We’ll describe the differences between them and explore the various advantages and disadvantages of each. And finally, we’ll talk about what happens when you try to draw a line between the two.

 

Control Systems

Control systems are literally all around us. They’re illuminating our rooms, laundering our unmentionables, and conspiring to make us late for work. Most of us probably use or interact with at least five control systems before we’re even out the door in the morning. Odds are …read more

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Hackaday Dictionary: Mux/Demux

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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 input, the output, and the selector.

The Basics

With a mux, you have multiple inputs, and a selector chooses which one of those outputs to use, and pipes it to a single output. It’s as if a bunch of people want to say something to you at once, but you can only listen to one at a time.

With the demux, a single input is piped to …read more

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