MIT chemists have devised a new way to wirelessly detect hazardous gases and environmental pollutants, using a simple sensor that can be read by a smartphone. With inexpensive sensors, the researchers ...

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Hobbyists, makers and developers looking for an easy way to connect sensors to the Internet and cloud services such as ThingSpeak, io.adafruit, VegeCloud.com and others. May be interested in a new ...

Curious about how cadence sensors work and how to use them effectively? This hands-on guide breaks down the basics of cadence sensing—from the core principles behind pedal rotation tracking to ...

For third-gen Nest and Nest E owners, sensors make a great upgrade to an already very good thermostat. It was a long time coming, but Nest has finally released its remote temperature sensor, which ...

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

A way to apply the output of certain sensors to a TTL/CMOS-level iput on a microcontroller. Sensor must have an NPN output stage that can support a pullup to its power rail. With just a few components ...

Senior author Wei Gao monitors a volunteer wearing flexible sweat sensors while exercising. (Courtesy: Caltech) An international team of scientists has developed an affordable microfluidic-based ...

Consider the complexity of the appendages sitting at the end of your arms. The human hands contain over a quarter of the entire complement of bones in the body, use dozens of muscles both in the hand ...

If you're a homeowner, you've almost certainly dealt with your fair share of maintenance issues and emergencies. However, there are few things as alarming as plumbing problems, such as leaks, floods ...

It's important to maintain proper chlorine levels in a pool, as too much can cause skin and eye irritation, and too little won't kill bacteria or other microbes. A new device could help, by cheaply ...