A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” ...

Discover the fundamentals of hybrid relays and explore why they are becoming a go-to choice for engineers and makers alike.

This project implements a smart traffic signal system using Arduino UNO, ultrasonic distance sensors, and LED signals. The system controls traffic signals at a junction by dynamically adjusting the ...

Designed for security and durability, the robust Arduino Opta micro PLC makes industrial and building automation accessible to everyone. Arduino Opta offers versatility and allows for integration with ...

Thermal printing is a non-impact printing method that uses heat to produce images or text on specially coated heat-sensitive paper, known as thermal paper. It prints by passing the thermal paper over ...

Are you paying for multiple Apple subscriptions? An Apple One bundle can help you save on Apple Music, Apple TV+, Apple Arcade, and more. Here's how to decide if it's worth the upgrade. Apple would ...

9to5Mac is brought to you by Incogni: Protect your personal info from prying eyes. With Incogni, you can scrub your deeply sensitive information from data brokers across the web, including people ...

As Michael Kay put it, the New York Yankees went from "no-hit to no-way" on Thursday night. The Yankees were hitless through seven innings against Seattle Mariners ace Bryan Woo but rallied from down ...

Looking forward to a future where laser beams replace power lines, DAPRA's Persistent Optical Wireless Energy Relay (POWER) program has set new records for transmitting more power wirelessly over ...

Do you have any information, including a wiring diagram, that can help me wire my Lionel No. 450 Operating Signal Bridge using AC relays? Thanks! — Fred Richmond The Lionel No. 450 Operating Signal ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...