Today, phone-connected front-door cameras and comms systems are ubiquitous. Here's a DIY smart doorbell for engineers and ...

Here's what to look for, and how to fix what you find. Working on your own home is empowering, and it saves you money. Even ...

Fosi Audio has been around for less than a decade, but it’s fast becoming one of the most prominent names in the budget hi-fi space. The company makes everything ...

There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp for your guitar or a ...

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...

Creator, AstroSam, built a functional prototype of a brain-computer interface (BCI), called Mind Link. It reads brain signals from a simulated 32-electrode array and sends them to a computer to ...

Amplitude modulation (AM) was first introduced to enable long-range wireless audio communication, representing a major advancement over wireless telegraphy using spark-gap transmitters. Understanding ...

We earn commissions from purchases you make using links in our articles. Learn more. For many car owners, the stock stereo just won't cut it and thankfully there are plenty of cost-efficient ways to ...

Abstract: This article presents a comprehensive analysis of the sensitivity of different switched-capacitor amplifier circuits to Single Event Transients (SETs). SETs are temporary variations in ...

Abstract: Designing low-noise amplifier circuits is vital for the effective detection of weak signals. The parallel design of multiple junction field-effect transistors (JFETs) can effectively reduce ...