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 ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...

Basic training, which often involves getting yelled at and having your head shaved, is typically not a fun experience for military recruits. But now getting there is less of a hassle. The Defense ...

Krista McCay is a writer specializing in video game guides and walkthroughs. She first entered the industry in 2022 while studying English at UC Santa Barbara and working part-time as an editor. It ...

Nahda Nabiilah is a writer and editor from Indonesia. She has always loved writing and playing games, so one day she decided to combine the two. Most of the time, writing gaming guides is a blast for ...

It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...

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 ...

When Basic Books Group president and publisher Lara Heimert told her mom that she was going to work at the Hachette division's flagship imprint, back in 2005, she was elated. "My mother said, Oh, they ...

I recently drove the new 2026 Audi Q3 and was amazed by how well-put-together it was, especially for an entry-level crossover from a German luxury automaker. One of the features that stood out was the ...

Smartphone processor and modem maker Qualcomm is acquiring Arduino, the Italian company known mainly for its open source ecosystem of microcontrollers and the software that makes them function. In its ...

An estimated 59 percent of all college students have experienced some form of housing or food insecurity in the past year, according to 2024 data from the Hope Center at Temple University. Closer to ...