A cheap USB-programmable analog output is great for setting intensities, power levels, or general analog signalling in many experimental contexts. There are lots of solutions when you want one or two ...

A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires, similar to a diode matrix. This kind ...

Try shopping for a USB-C cable and you’ll no doubt be struck by the confusing disparities in cable pricing and performance claims. These are just cables, right? Can they really be that different? At ...

The best USB-C hubs add ports to your PC, providing connections to legacy peripherals like mice, keyboards, printers, or more. If you follow my advice, you shouldn’t pay that much, either. The very ...

Abstract: In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present ...

Don't rely on the wimpy microphone built into your phone or laptop. Here's how to find the best USB (and XLR with USB) mics for content creation, gaming, podcasting, and recording music, including our ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Vikki Velasquez is a researcher and writer who has ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...