Heart rate sensors available for DIY use employ photoplethysmography which illuminates the skin and measures changes in light absorption. These sensors are cheap, however, the circuitry required to ...

This small inductance-meter is what every beginner in electronics should have to start in electronics. Commercial multimeters all include the ohm-meter function, more rarely that of capacitance meter, ...

ORLANDO, Fla. — Three more people were taken into custody on Sunday by Florida Highway Patrol troopers outside of the Pulse memorial. Zane Aparicio, Donavon Short, and Maryjane East are accused of ...

The Aktiia Hilo Blood Pressure Monitor is the first cuffless monitor to be cleared by the FDA. It’s discreet, highly accurate, and simple to use ...