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

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Cardiovascular signals captured via ultrasound and ECG In parallel with chemical monitoring, the wristband uses an ultrasonic sensor to assess blood pressure and arterial stiffness. Electrocardiogram ...

Personal trainers, marathon runners and competitive athletes put 17 wearables to the test — this is the best fitness tracker we found.

I've tested the best smart rings available right now to help you find a finger-based tracker to record your steps, sleep and more.

It has a BioActive sensor on board that includes a PPG heart rate/ECG/blood oxygen reader and bioelectric impedance analysis sensor for a full picture of your body composition.

Our medical experts vetted the best and most popular watches that monitor heart rate on the market for 2025.