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 ...

The smallest smart telescope ever made impresses with both basic and advanced astrophotography options, but images are ...

This compact, smartphone-controlled smart telescope is an ultra-portable astrophotography tool for dark-sky trips and ...

Abstract: This paper explains the design and making of a low-cost and portable mini oscilloscope using an Arduino microcontroller and a printed circuit board (PCB). The main goal is to create an ...

Apple's eighth-generation iPad mini is likely to arrive next year, so here's what to expect. The current ‌iPad mini‌ came out in 2024, with the main upgrade over the previous version being the A17 Pro ...

MacBooks New Lost-Cost MacBook vs MacBook Air M1: Why Apple's new laptop could be the one to buy MacBooks Apple's rumored new MacBook sounds like a nightmare for budget Windows laptops — here's why ...

Mini-PCs have been experiencing a real boom in recent years. No wonder, because these small desktop computers are powerful, space-saving, and flexible. This guide shows what a mini-PC actually is, ...

In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering. Three ...

A lot of people loved the iPhone mini, but not enough for Apple to keep selling it—the company isn’t working on a new ‘mini’ model. But Apple does, in fact, have a surprise alternative solution coming ...

A digital oscilloscope is one of the most essential pieces of equipment for high school electrical and electronic labs. As useful and popular as it is for high schoolers, the cost of an oscilloscope ...

Abstract: Oscilloscopes play a crucial role in electronics and electrical engineering by enabling the visualization and analysis of electrical signals. However, traditional bench-top oscilloscopes, ...

Apple’s new smaller Mac mini gives up very little after being hit with a shrink ray, and the M4 processors deliver great performance at a reasonable price. But that all turns sour the moment you run ...