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  1. Anders Weile

    Using a buck-boost converter

    I bought this little converter - a DM13B-3.3 which accepts a voltage range from 2.5 to 15V. My problem is that it just seems to short circuit the battery - a 3.7V Li-ion. I'm positive (no pun intended) that I connected the right polarity. The unit got extremely hot in a matter of seconds and...
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