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 ...

University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools using only the phone's speaker and mic, though it's not ready for release yet.

You can approach heart rate training in a few ways, and each method has its own set of variables. It can seem like a complicated process. That’s why whenever heart rate training entered the chat, I ...

HOUSTON – (Feb. 9, 2026) – It’s a typical workday and you sign onto your computer. Unbeknownst to you, a high-frequency sensing system embedded in your work device is now tracking your heart rate, ...

First announced last month, the Anbernic RG G01 is now available for preorder through the company’s online store for $39.99, but discounted to $35.99 until February 10th. The heart rate monitoring ...

Following up on the cardiac abnormality thankfully detected by wearable devices, this engineer details the system he donned ...

Cardiovascular diseases remain the leading global cause of mortality, claiming nearly 18 million lives each year. Early detection and continuous monitoring of blood pressure, vascular resistance, and ...

I needed some good news. Following a December heart scare that landed me in intensive care for a night, I have been feeling anxious. While undergoing tests at UH Samaritan Medical Center in Ashland in ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Heart rate zones are a ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

NeuroBand is a specialized smart safety armband engineered to provide timely assistance to elderly and high-risk individuals during emergencies. Its primary goal is to mitigate the risks associated ...