The useful troubleshooting techniques that follow are the result of 20 years of electrical-engineering projects in the automotive, biomedical, instrumentation, and telecommunications areas.

We’ve all experienced that magic moment when, after countless frustrating hours of experimentation and racking your brain, the object of our attention starts working. The 3D printer finally produces ...

It’s important to learn and use component-level troubleshooting skills to diagnose and repair electronic problems, even in today’s world. The process involves digging into an electronic device, ...

You’re 100 miles from shore, fishing on the edge of a deep drop-off. The bait is everywhere down below the surface, and your navigation display dims, flickers, and the picture rolls up like a ...

A common metering device used on new walk-in cooler/freezers today is the electronic expansion valve (EEV). It allows for a tighter control of a refrigerant’s superheat value leaving the evaporator ...

Repairing reach-in coolers and freezers with electronic temperature controllers can be challenging at times. Some failures are easy to troubleshoot and repair, but others can be frustrating. For ...

When looking at protocol information on a bus, an oscilloscope may not be the first instrument to come to mind�until now. As most engineers know, digital oscilloscopes are an indispensable ...

We know not everyone who likes to build circuitry wants to dive headfirst into the underlying electrical engineering that makes everything work. However, if you want to, now is a great time. Many ...

EMI Troubleshooting Cookbook for Product Designers by Patrick G. André and Kenneth Wyatt. Scitech Publishing, 2014. Having recently reviewed two other books on EMI/EMC, I can safely say that EMI ...