There have been many different ideas presented for increasing the acoustic output of a piezo buzzer or ultrasonic transducer. Most of them involve rather complicated circuitry that drives up the total ...

Get to know these tricks before you tackle electrical projects at home. If you like to do your own handiwork around the house ...

Across the entire sphere of electronics and electrical engineering, there aren’t many principles that are as fundamental as Ohm’s Law.  Named after the ...

The temptation to handle electrical projects yourself has grown stronger as home improvement costs continue to climb. Yet ...

If you need to send data from sensors, there are plenty of options, including a bewildering selection of wireless methods. Trouble is, most of those protocols require a substantial stack of technology ...

Look around your bench and chances are pretty good that there’s a PCB or scrap of perfboard or even a breadboard sitting there, wires and LEDs sprouting off it, doing something useful and interesting.

A circuit is a closed loop containing various components. Electrical current flows around the circuit. Scientists use symbols to represent the different components in a circuit. Symbols are simplified ...