More about Circuits Circuit Design News (288)

28-12-2020 | When performing measurements away from your electronics workbench, a portable instrument is exceedingly convenient, particularly if you have...

1-07-2020 | Can a simple strip of copper become a useful Hall sensor? This hands-on experiment shows how a copper PCB trace, a sensitive amplifier, and...

1-01-2018 | Thermostats are everywhere — in refrigerators, freezers, on walls, and in cars — yet rarely found on a desk. There are times when a desk-mou...

1-03-2015 | Just about every control process can be handled elegantly with a microcontroller — even generating infrared signals. Sometimes there’s an ev...

1-07-2014 | 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...

1-10-2012 | 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...

1-05-2007 | The circuit described in this article is incredibly sensitive to changes in the magnetic field. It can be used to detect earthquakes, but it...

1-07-1997 | 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...