A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition ...

In addition to its CD playback capabilities, the DM15 is also a resistor ladder DAC, a headphone amp, and a Bluetooth ...

Bourns, Inc. released four new Riedon Foil Resistor Series by Bourns. The FPM Series, FPV Series, FWP2324 Series, and FPY Series are designed for high-precision, high-power applications by delivering ...

Science paper divided into Biology, Chemistry, and Physics sections with detailed questions on plants, animals, genetics, digestion, and chemistry experiments.

DigiKey CEO Dave Doherty spoke with EE World about electronic parts distribution.

Did you turn your heater on, and it gave off a burning smell? Don't worry, because it is usually normal. However, there are times you should worry.

A quick calculation: To estimate a battery’s internal resistance, you can use a simple voltage-drop method when the open-circuit voltage, loaded voltage, and current draw are known. For example, if a ...

One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it is. Wiring up a circuit like this is actually pretty straightforward, as is ...

H-bridge buck-boost ICs are widely used in applications requiring a constant voltage or current source even when the system ...

Old gadgets rarely belong in a drawer or a landfill. With a little planning, they can become clever upgrades that make a home safer, smarter and more sustainable. I use the following five ideas to ...

Read our HammerLEDs Flex 4 Review and discover its unique features and benefits for dual-sport and adventure motorcycle ...

In chemical, petroleum, gas, and dusty operations, air can be dangerous due to the mixing of flammable substances. This is a ...