Sensors and Detectors Tutorial

This tester is designed to locate stray electromagnetic (EM) fields. It will easily detect both...

The circuit may be used as a sensitive current detector or as a voltage detector having high...

Because power for the circuit is obtained from the car"s side lights, the circuit can"t...

A very simple battery charger circuit is described in this article, which uses just a single...

The circuit for a powerful AM transmitter using ceramic resonator/filter of 3. 587 MHz is...

A few years ago, someone gave me a small wireless infra-red keyboard, part no. RC-KB2, designed...

Changing to a 3-prong AC cord is pretty much an expected upgrade or mod, as is replacing the...

This RF probe can be used at High Frequency (HF) or Ultra High Frequency (UHF) on both 50 and 75...