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, ...

Local Pulse with Joe DiBiase is a live weekly internet radio program and podcast covering news, views, arts, and food in the greater Newburyport, Massachusetts, area. The show moved to its new home ...

The goal of Sony’s PlayStation Pulse Explore wireless earbuds can be distilled down to two features: high-quality detailed audio and a plug-and-play setup. Clearly, Sony wanted these earbuds to stand ...