More about Circuits & Circuit Design (368)

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...

1-03-2017 | Although the theremin was invented nearly 100 years ago, the instrument still has enthusiastic fans. It is played entirely without physical...

1-05-2016 | As mentioned in the introduction to the earlier Precise Nixie Clock project, the New Precise Nixie Clock combines modern and legacy technolo...

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

1-12-2014 | Small, widely available and dirt-cheap ultrasonic sensors enable us to design both simple and lavish measuring devices for all kinds of rang...

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...

1-07-2014 | This simple six-component circuit flashes an LED to let you know that a fuse in some AC powered device has blown. Its operating principle i...

1-11-2013 | The circuit described here has all the features required for conducting various experiments and tests on a CAN bus. In addition there is the...

1-05-2013 | After the flood of theory, design considerations and software descriptions in the first two installments we are ready to tackle practical ma...

1-10-2012 | It is often necessary to deal with tiny currents in the picoamp to microamp range when making measurements in ionisation chambers and other...