This brief tutorial explains how the “Wiegand effect” can be used as a reliable, low-cost, energy-harvesting system to power ...

Decommissioned parking meter painted baby pink and turned into a Raspberry Pi Zero jukebox. RFID credit-style cards queue ...

For around $25, the Neoteck TS20D is a fully-featured, well-made, and decently accurate tool that will handle most multimeter-related tasks. It's small enough to drop into a pocket or toolbox, durable ...

When you do appliance repair, many times you will want to test a certain part away from the appliance, like to learn how to ...

Whenever you drink a potion or get hit by one in Minecraft, you will get a specific status effect. This effect can either be seen as particles coming out of your body or by a symbol on the side of the ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Resistance standards are incredibly useful, but like so many precision references they require regular calibration, ...

Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM ...

An audio amplifier was once a fairly simple analogue device, but in recent decades a typical home entertainment amplifier will have expanded to include many digital functions. When these break ...

England in Pakistan Test Series, 1961/62 1961/62 England 1-0 (3) Pakistan in England Test Series, 1962 1962 England 4-0 (5) Pakistan in England Test Series, 1967 1967 England 2-0 (3) England in ...

I never thought that a $12 accessory could rival tools that cost much more. But this USB-C power meter delivers in profound ways.