[Bill Porter] is helping a friend out by designing a simple security system for her home. It relies on Xbee modules to alert a base station when doors are opened, or a pressure mat is stepped on. The ...

Said to be the smallest remote junction temperature sensors with a built-in local temperature sensor, the TMP421 (one channel) and TMP422 (two channels) boast a remote sensor accuracy of ±1°C (maximum ...

I’ve tested a lot of HomeKit thermostats and Ecobee3 remains my top pick. It’s a Wi-Fi smart thermostat with remote sensors that detect both presence and temperature in individual rooms, and the ...

Digi International’s XBee Sensors are battery-powered, long life wireless sensors for easy integration into drop-in networking applications or ZigBee networks. These sensors allow customers to collect ...

Abstract: This paper describes a wireless temperature measurement system, aimed to thermal analyses of rotating parts of electrical machines. The device was designed and manufactured in small ...

Abstract: The objective of this paper is to demonstrate how a system consisting of software written in Java and Xbee radios can be used to create a system that can monitor the battery status of a ...