| Would you like to construct your own sound effects unit? Check out this circuit from 2010, which was built around an innovative effects chip...
All items tagged with Circuits Circuit Design News and Circuits & Circuit Design (219)
| Do you need an isolated connection to an oscilloscope? You can buy a solution, or you can DIY! If you are thinking about the latter, check o...
| Building a solution to test both DIP switches and bar/individual LEDs is fairly straightforward. All you need are 10 resistors, 10 red LEDs...
| Thermostats are everywhere — in refrigerators, freezers, on walls, and in cars — yet rarely found on a desk. There are times when a desk-mou...
| Just about every control process can be handled elegantly with a microcontroller — even generating infrared signals. Sometimes there’s an ev...
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| This handy transistor tester allows you to quickly test the function of an NPN/PNP transistor, JFET or (V)MOSFET and identify the correct le...
| When your attention is occupied elsewhere, it can be hard to watch a display. Wouldn’t it would be a great idea if you could keep track of a...
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| The circuit described in this article is incredibly sensitive to changes in the magnetic field. It can be used to detect earthquakes, but it...
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| The circuit in the diagram converts a sinusoidal alternating voltage into a direct voltage equal to the r.m.s. value of the input voltage...