In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing blood through my finger and counting the pulse from that. The device uses ...

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 ...

Sometimes you really need to know what the weather is doing, but you don’t want to look at your phone. For times like those, ...

TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.

Stream decks are pretty useful in all kinds of contexts, but commercial models can feel a bit pricy for what is effectively a bunch of buttons. [WhiskeyTangoHotel] has whipped up one of their own ...

Organic light-emitting diode (OLED) TVs can give you dazzling pictures with smooth motion, deep blacks and vibrant colours, while also being slimmer than LED-backlit LCD TVs. Smaller brands, such as ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Dave Gershgorn Dave Gershgorn is a writer covering monitors, laptops, and ...

volatile boolean Pulse = false; // "True" when User's live heartbeat is detected. "False" when not a "live beat". volatile boolean QS = false; // becomes true when Arduoino finds a beat. static ...

Hook up the Adafruit BME280 to your Arduino Giga R1. You can use a prototyping shield to simplify connections. Connect the antenna to the Arduino Giga R1 WiFi if you haven't already Connect the ...

A primary student learns first aid skills under the guidance of a volunteer from a local Red Cross society in Handan, Hebei province, on Thursday. [Photo by Hao Qunying/for China Daily] With wider ...