Computer monitors often include one or more LED indicator lights that show these devices' operating status. Monitor manufacturers can build a set of signals -- made up of sequences of LED flashes ...

NIBIB-funded researchers at the Massachusetts Institute of Technology have created an ingestible sensor to non-invasively monitor indicators of disease in the stomach and intestines.

Peloton launches a $90 forearm-worn heart-rate monitor with LED indicators The arm-worn strap uses optical sensors and features an LED array for quick device info. Corey Gaskin – Jan 31, 2022 4: ...

An IR sensor has two small LED indicators – one for power, which is ON the entire time the sensor is ON; the other is the Signal LED which detects the object. The signal LED has two states or ...

New AI-enabled, optical fibre sensor device could help monitor brain injury. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 08 / 220823162719.htm ...