Wireless I/O is a valuable tool in optimizing the operation of oil and gas wells. In this article it is applied to the problem of automating plunger control in natural gas production.More>>

As a method of heating or cooling buildings, geothermal heat pumps are both energy efficient and environmentally friendly. Data loggers enable both the documentation of these efficiencies and the optimization of their installation.More>>

Supplying power wirelessly provides greater design flexibility.More>>

Autonomous wireless sensor networks—WSNs powered by energy harvesting—have tremendous potential. By examining their possible use in healthcare, condition monitoring, and smart packaging we assess this enabling technology and discuss the challenges to further adoption.More>>

A selective sampler enables you to sample a signal more quickly and efficiently while retaining the desired frequency resolution. The technique can be used to detect transient power changes rapidly, before blackouts occur.More>>

A brief introduction to RF energy harvesting: what it is, what it does, and how it enables wireless sensor networking applications.More>>

Distributed DA systems offer improved measurement accuracy and easy setup when compared to centralized DA systems, however, their design must take into account signal conditioning, self-calibration, excitation, and noise rejection to achieve the most accurate and reliable measurement results.More>>

Aliasing in sensor signal paths can be avoided by using an anti-aliasing filter between the sensor and the ADC. This article describes how to design a simple, second-order anti-aliasing filter.More>>

Power consumption is a central design consideration for wireless sensor networks whether they are powered using batteries or energy harvesters. Vital to success for either approach, however, is the need for hardware that uses power intelligently.More>>

Next-generation wireless asset management systems are incorporating lower power electronics, cellular technologies, and GPS to enable more robust, flexible, scalable systems that reduce operating expenses and improve business productivity.More>>