A Practical, Easy-To-Implement Energy Harvester For BLE Modules And Other Applications

Focus:

This article builds on prior investigations of supercapacitors and tantalum capacitors as well as an energy harvesting controller IC used to power ultra-low power (ULP) devices. For this work, the authors the use same IC (the e-peas AEM10330) to extract energy from a small solar cell, store it in a supercap, and power a Bluetooth Low Energy (BLE) module. The BLE module, in turn, measures the voltage of the supercap and the voltage supplied to the module, and then transmit those values to a PC for data logging. This real-world example of an energy-harvesting system demonstrates the ease with which such a system can be created. Article discusses system operation, experimental results, and supercap options.

What you’ll learn:

• How to implement an energy harvester and BLE measure/transmit system
• How to implement an energy harvester using a solar cell, e-peas AEM10330 IC and supercapacitor
• How to select a supercap for a low-power energy harvester

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Author & Publication:

Ron Demcko, Daniel West, Ryan Messina and Ashley Stanziola, KYOCERA AVX, Fountain Inn, S.C. , How2Power Today, Sep 13 2024

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