Thursday, May 10, 2012

An Indoor Photovoltaic Energy Harvesting Solution

I've posted a video describing technical details of the indoor photovoltaic energy harvesting solution implemented in the Firefly Cap. I hope you like it!


Jordan said...

I'm curious- how does the response curve change in sunlight to enable charging of the 1.2V battery?

Michael Ossmann said...


In full sunlight, the crystalline silicon panel can produce current at more than 1.2 V. The curve is shaped the same, but the open circuit voltage is perhaps 2 V and the short circuit current is more than 1 mA.

Solar Energy said...

Wow... This is really impressive Michael!! Congrats!

-Sharone Tal
Solar Panel Installation New Jersey

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