Popularly known as "black boxes," event data recorders (EDRs) have helped investigators solve the mysteries of airplane crashes for decades. Now they've become standard in almost every new car sold.

The core of the build is a portable 3-head cassette recorder, in this case a Marantz PMD430. The circuit has been around for a while – it was originally found in an issue of Stompboxology in the ...

2. Turn on the digital voice recorder by pressing its power button or sliding its power switch. 3. Click "Open Folder to View Files" when the connection prompt appears on the screen. A window will ...

A question: does anyone who was around in the early days of the 8-bit computer revolution remember a dual-CPU 6502 portable machine like this one? Or just a dual-CPU machine? Or even just a ...

TL;DR: Through May 5, you can score the Mobile Pixels DUEX Plus Portable Dual-Screen Laptop Monitor on sale for only $199.99 (reg. $339). Having multiple monitors can significantly enhance ...

If you're in dire need of Black Crystal in Dragon's Dogma 2, this guide can help you obtain it! Need some Fruit Roborant to give to Flora in Dragon's Dogma 2? Here's a guide to help out.

On the heavy side at 211 pounds, making it a challenge to lift onto a truck bed The WGen9500DF is a portable dual-fuel generator ... heater may need as many as 1,500 watts. For many homeowners ...

The Plugable USB-C Dual HDMI adapter is available on . It's small, portable dual-HDMI adapter that supports dual 4K 60Hz ...

Being a dual-sport, the Black Forest was also put on errand duty, since it was essentially immune to rain and capable of hauling large amounts of stuff, including groceries and a family’s worth ...

This unit from Black+Decker is best suited ... wheels and a wireless remote control. This portable unit from Select-favorite brand Midea is a high-end, dual-hose model with energy-efficient ...