In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

Elektor MultiCalculator Kit is an Arduino-based 22-function bench tool for measuring, calculating, and learning electronics ...

The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for beginners without these tools.

We may receive a commission on purchases made from links. Computers have gradually been shrinking ever since they were invented. The first computer weighed several tons and filled up a room, and these ...

I’m a freelance home improvement writer covering tools, DIY projects, and home products for Popular Mechanics and other publications. I’m a former residential and commercial carpenter, and an ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

If your starter word contains a rarely used letter, rethink your strategy. Here are the most commonly used letters in the alphabet. CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture ...

I've used my Flipper Zero to replace lost remotes, open security doors, and more. Here's how to get started with your new favorite hacking tool. I’ve been writing about technology since 2012, focusing ...

Honorific for Julie Andrews: four letters.