Sleep Apnea Often Goes Undetected in Women. That’s Starting to Change

Women’s sleep apnea symptoms differ from men’s and can often be confused with hormonal shifts. Researchers are working to ...
Hackaday

Building A Heading Sensor Resistant To Magnetic Disturbances

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Self-aware biosensors boost digital health monitoring

Smart biomedical devices are transforming modern health care, using skin-mounted sensors to capture in-depth health ...

The hidden enemy on Mount Kilimanjaro: Safely dealing with low oxygen at high altitude

At altitudes over 2,400 metres, lack of oxygen — a condition called hypoxia — can cause acute mountain sickness. Incidence ...
CNX Software

DFRobot launches low-power, low-cost Fermion: BMV080 air quality sensor module

BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.
EDN

Plant pulse sensors: From soil probes to tree tattoos

Botanical sensors are turning greenery into living data networks while monitoring plant health and optimizing yields.

Here's How To Tell If A CR2032 Battery Is Bad

Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...