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 ...

TCL has unveiled the 32X3A, a new 31.5-inch 4K OLED monitor with a 240Hz refresh rate, dual-mode 480Hz gaming, and an ultra-thin 6.4mm design.

OLED TVs may be top-of-the-line display tech right now, but they have room to grow. One company says they've figured out a ...

Apple’s 2026 display shakeup replaces the elite 32-inch 6K Pro Display XDR with a 27-inch 5K Studio Display XDR, while also ...

The team at YouTube channel Monitor Unboxed stress-tested an MSI OLED monitor for two years, and the results aren't as bad as you might think.

Philips Evnia 34M2C8600 review: a 34" ultrawide QD-OLED monitor with stunning blacks, 175Hz gaming, real HDR and immersive contrast for modern PC games.

This ASUS ROG Swift OLED gaming monitor is $662.36, its lowest price yet. This 27-inch 1440p OLED display offers a 480Hz ...

After 6,500 hours of heavy productivity use, we revisit our intentionally abused 4K QD-OLED monitor to see how burn-in has ...

Samsung’s latest OLED TVs and Odyssey gaming monitors now support NVIDIA G-SYNC Compatible technology, aiming to deliver smoother gameplay, higher refresh rates, and a more immersive visual experience ...

A resistor in the cloud is worth two in the hand.

This small inductance-meter is what every beginner in electronics should have to start in electronics. Commercial multimeters all include the ohm-meter function, more rarely that of capacitance meter, ...

If you’ve been to a wedding or a downtown coffee shop in the last 10 years, you’ve probably seen those little lightboxes that are so popular these days. They consist of letters placed ...