Sarah Bradley is a freelance writer with six years of experience creating personal essays, reported features, and commerce content related to health and parenting topics. Reza Samad, MD, is a ...

We’re always looking for interesting biohacks here on Hackaday, and this new research article describing a calibrated pulse oximeter for different skin tones really caught our attention.

It comes with 2 AA alkaline batteries, neck lanyard and an instruction manual. This medical device can be used as a ...

The PEARL10 Pulse Oximeter is the first handheld unit that ... With a new set of AA alkaline batteries, the device works for about 40 hours. The biggest advantages, compared to other devices ...

Pulse oximeters send light through a clip attached to a finger to measure oxygen levels in the blood noninvasively. Although the technology has been used for decades — and was heavily used ...

The evacuation was ordered out of concern that the batteries could burn very rapidly and explode. The fire was discovered at around 6 a.m., but the back of the smoking trailer wasn't opened until ...

particularly since the trial is taking place in deep-blue Manhattan, but the case was mediocre and would never get a conviction in a swing district. "On the scale of cases that prosecutors charge ...

If you are an admirer of Nintendo Game & Watch classics, particularly for Super Mario Bros, then the BOVKE Carrying Case on ...

The case also boasts a mesh compartment, ideal for organizing cables, earphones, and a power brick. It's also water-resistant and includes a convenient wrist strap for effortless carrying.

By detecting the variation in the light over time, it’s possible to pick up your pulse, too. Getting this data out of the sensor is remarkably easy. One need only hook it up to a suitable ...