It’s late at night. The solder smoke keeps getting in your tired eyes, but your project is nearly done. The main circuit is powered by your 13.8 V bench supply, but part of the circuit needs 9 V. You ...

It’s late at night. The solder smoke keeps getting in your tired eyes, but your project is nearly done. The main circuit is powered by your 13.8 V bench supply, but part of the circuit needs 9 V. You ...

QST, the leading amateur radio magazine, runs a feature every month called “Hints & Kinks.” Hints & Kinks contains a variety of short tips and construction projects that address practical problems ...

Any digital camera with a remote can be used for time-lapse photography of nature, continuous shooting of an event or for monitoring applications including research and security applications by ...

Water molecules distort the electrical resistance of graphene, but a team of researchers has discovered that when this two-dimensional material is integrated with the metal of a circuit, contact ...