Welcome back to our Tech Tip series! Today, we’ll review one of the most essential tools in every toolbox, a multimeter.

Car batteries often appear to fail without warning because the early stages of deterioration do not produce symptoms that ...

Abstract: Ultraviolet light-emitting diodes (UV LEDs) have been widely applied in various fields, such as sewage treatment, sterilization, and disinfection medical treatment. However, the remained ...

The new FERT-525-XW-FC105 is a series of fiber-coupled laser diodes at 525nm with output powers between 1W to 4W. The output fiber is a 105µm detachable multimode fiber with either FC or SMA connector ...

Numerous companies offer tests, which may involve blood, urine or saliva collection, and can be very expensive. The results ...

Gene Wengert, the Wood Doctor, also answers questions about the bendability of MDF and sticker stain when drying lumber.

However, it was Cameron's guerrilla filmmaking tricks – including using a light meter to dictate where he could film the ...

One of the joys of writing up the entries for the 2025 Component Abuse Challenge has come in finding all the different alternative uses for the humble transistor. This building block of all modern ...