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Electrical Engineering/Alarms for Battery Power consumed in Electronic Gadgets.

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Question
Dear Prof Cleggsan

Is it possible to build electrical circuit with alarms for indicating Battery Power consumed in electronic gadgets viz cameras, toys, watches, calculators etc ?.

For example :

Similar to alarm which we manually set in clocks, the electrical circuit designed will calculate the battery power consumed and when it is say 10% battery power remaining (low on battery, drained), alarms will buzz to the consumer as warning signals before 2-3 days in advance for the respective electronic gadgets. This process will be automated.

Awaiting your reply,

Thanks & Regards,
Prashant S Akerkar

Answer
Yes, it can be part of the charge monitoring software inside the product. Many cordless phones already have such features builtin as does laptop and tablet computers - at least to some degree or another.  It is merely a function of the designers deciding if it has merit to include such a feature and it the cost of implementing it is worthy of user interest.  

Two or three days in advance may be pushing the feature a little as the prediction of power usage in most devices is not a linear function; i.e., the power consumption varies depending on what the product is doing.

Hope this helps.  

Electrical Engineering

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cleggsan

Expertise

All technical areas of Electronics Engineering.

Experience

BSEE, MBA, Design, R&D, University Research.
Senior Life Member of IEEE. Life Fellow of AES.

Organizations
IEEE, Consumer Electronics Society, Audio Engineering Society.
Broad teaching experience; work experience mostly in consumer electronics and conversion from analog to digital technologies. Pioneer in digital audio at all levels.

Education/Credentials
BSEE (Equiv) BYU BSEE University of North Dakota MSBA (MBA) Illinois State University Graduate Studies in Computer Science - Bradley University Graduate Studies - Ohio University Graduate Studies - University of Missouri Kansas City DeVry Tech - Electronics

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