Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...

If you could use a better entertainment system, give it a major upgrade with this 9-inch Wireless Car Display featuring Apple CarPlay and Android Auto compatibility.

Deal pricing and availability subject to change after time of publication. TL;DR: This 9-inch Wireless Car Display supports Apple CarPlay and Android Auto, and it’s on sale for $79.99 (reg. $179).

A recent study from scientists at the University of St Andrews and the University of Cambridge in the UK, published in ...

A recent study from scientists at the University of St Andrews and the University of Cambridge, both UK, published in ...

Active noise cancellation is an increasingly common feature of wire-free earphones. If you want to block out the world around you, check out the best noise-cancelling wireless earbuds we've tested.

These days, your wireless router is not just your lifeline to the internet, but also to your job. Here's what you need to build a snappy home Wi-Fi network, along with reviews of the best Wi-Fi ...