This quick measurement helps you gauge whether or not you need a new car battery before the cold weather.

Dump the full data EEPROM over SWD: 0x08080000..0x08082FFF (12 KB). Keep it. Save cal.bin to an SD card with v2.05 (power-on with MEM held, then REL, then MODE). Note the battery voltage measured at ...

This article is a re-edited and revised version of the article published the other day.The background is that when I shared ...

When it comes to charging your car's battery without going to the trouble of disconnecting the terminals, the process is ...

Annemarije de Boer is a Los Angeles-based director and visual storyteller specializing in technology reviews and digital innovation journalism. Drawing from her BA in Psychology and decades of ...

Before freezing temperatures arrive, inspect your battery, tires, brakes, fluids and more to lower your risk of car trouble this winter.

Hioki is one of those Japanese test-equipment names that engineers associate with quality and with a high price, so a Hioki multimeter for 95 US dollars sounds like a fake. It isn't. The DT4215 is a ...

CR2032 batteries are found in a lot of gadgets around your home. They're easy to test when they run low, especially if you ...

I have an issue with a battery maintainer/charger. About four or five years ago, you recommended the Battery Tender for ...

Accurately test and troubleshoot electrical voltage, current, and resistance with the best multimeters, from budget testers ...

Picking parts at a junkyard can result in serious savings over buying brand new -- but beware, some hardware is best left in the heap!