In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

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 ...

Recently, ‘Liquid crystal display (LCD) vs. organic light-emitting diode (OLED) display: who wins?’ has become a topic of heated debate. In this review, we perform a systematic and comparative study ...

Stop using the same login credentials everywhere. The top password managers we've tested create unique, strong passwords for each of your online accounts and alert you to potential data leaks. I ...

Preparing for a crisis takes the same level of precision as an actor getting ready for the Oscars. While most people assume a few cases of bottled water are enough when disaster strikes, anyone who ...

Your PC’s storage media is subject to malware and, on occasion, natural disasters such as lightning, fire, etc. — which is why formulating a backup strategy is critical for keeping your data safe. Our ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kaitlyn Wells and Ayanna Redwood-Crawford We added the Samsonite Lumbar ...

Cassidy Horton is a finance writer covering banking, life insurance and business loans. She has worked with top finance brands including NerdWallet, MarketWatch and Consumer Affairs. Cassidy first ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition ...

About First Timers on the Front Line, how to watch, cast and FAQs.