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've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

With zero coding skills, I was able to quickly assemble camera feeds from around the world into a single view. Here's how I did it, and why it's both promising and terrifying for all of us.

Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very ...