Embedded.com Tech Focus Newsletter (5-12-14): Powering down for the embedded IoT - Embedded.com

Embedded.com Tech Focus Newsletter (5-12-14): Powering down for the embedded IoT

May 12, 2014

Powering down for the embedded IoT

On the wireless Internet of Things, embedded developers face continuingchallenges in coming up with dependable sources of portable power and finding MCUs that will operate reliably in that challenging environment.

How much energy can you really get from a coin cell?

How much energy can you really get from a coin cell?

Using a capacitor to sustain battery life

Is it possible to extend coin cell life using a capacitor?

Extending Battery Life

Strangely, low-power MCUs show a linear Vdd vs current relationship.

Leaks and Drains

The holy grail of battery-powered devices is 20 years on a single cell. But is that really achievable?

Using batteries wisely

How to characterize and model the batteries used in wireless sensor networks and design applications that take battery internals into consideration.

A testbed for measuring battery discharge behavior

A testbed for automated measurement of the discharge behavior of Li-coin cells and some of the preliminary results.

Evaluating battery models in wireless sensor networks

An investigation of three battery modeling techniques with regard to their applicability to evaluating CR2032 powered wireless sensor network prrotocols and systems.

Optimizing embedded software for power efficiency: Part 1 – measuring power

First in a series on managing your embedded software design’s power requirements.

Selecting the right battery for your embedded application

As embedded power-management strategies become more sophisticated, selecting a battery for both static and dynamic needs, chemistry, temperature, peak demand, energy transfer, and environmental concerns must be considered.

Reducing battery discharge rates in CR-2032-based portable embedded designs

Meeting the demand for low power requires integrated MCUss that have not only been developed in synergy with the characteristics of battery power, but with an understanding of how the application will operate in order to achieve 10, 15 or even 20 years of operation without replacing the primary cell.

Building power-efficient CoAP devices for cellular networks

A January 2014 memo from the IETF working group on techniques developers should use when building power-efficient Constrained Application Protocol (CoAP) devices for cellular networks


Educational Resources

AdaCore University – Learn to Program in Ada

Fundamentals of Signal and Power Isolation

Fundamentals of Digital Oscilloscope Usage

Automating Test Case Selection and Execution for Chipset Testing



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