(Nanowerk Spotlight) Each exhaled breath carries distinct signatures of human activity - quick and shallow during exercise, deep and regular in sleep, irregular while speaking. These breathing ...

(a) Schematic diagram of intra-articular pressure detection using a sensory system in a sheep model. (b) Schematic and photograph for the implantation of two sensory arrays between the femur and the ...

The Hygrotron humidity and temperature sensor from Hygrometrix Inc., Alpine, Calif. (hygrometrix.com), is smaller than a dime but can determine relative humidity (RH) between 0 and 100% with 1.5% ...

The ESP8266 microcontroller is a favorite among makers for creating affordable, Wi-Fi-enabled sensor projects. Pairing it with a DHT22 temperature and humidity sensor is one of the easiest ways to get ...