There are standard designations and symbols that describe how electrical contacts work in specific scenarios. These designations spell out the number of contacts and how they behave during operation.

Archaic light switches might as well be from the stone age. All they do is turn a light on and off. They can't dim lighting gently or remember the brightness level you prefer. Outdated switches don't ...

Any X-Y switch matrix can be considered with this circuit, which simplifies decoding of the common 4x4 keypad matrix and eliminates having to scan rows or columns. Using eight digital inputs, this ...

A previous Design Idea outlined a relatively simple circuit in which a momentary pushbutton could be made to function like a latching, mechanical switch. The article generated a good deal of reader ...

Cities and towns worldwide areconsidering and installing LEDstreetlights to help save electric energy,reduce costs, protect the environment,and improve lighting for their citizens.Despite this trend, ...

Today’s Geeky Gadgets Deal is a Circuit Scribe Basic Kit for $49.99, the kit normally costs $60, so you can save 16% off the normal retail price. The Circuit Scribe Basic Kit lets you draw circuits ...

Water is usually something you’d want to keep away from electronic circuits, but engineers in Germany have now developed a new concept for water-based switches that are much faster than current ...