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

When is the last time you had some electronic product repaired? Didn’t you just throw away the defective product and get a new better one? Or not? I have come to view electronic equipment as basically ...

Most electronic devices need enclosures that must withstand impacts and keep on working. Will your enclosure survive a blow in three planes? Will it deform at extreme temperatures? Is the internal ...

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 ...