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Old 08-31-16, 01:29 AM   #17
Lurking Renovator
Join Date: Nov 2015
Location: Pardubice, Czech Republic
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Another test (in the first one I didn't have surface that would be flat enough) shown 2,65V on modules and around 12V on step-up booster, but when I connected the fan, the voltage sharply dropped. I guess the modules are very soft power source. I have found some RC helicopter engine on aliexpress and propellers (which together acts just like fan), so I'll order those and try it.
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