Someone wrote in [personal profile] michaelkoloboff 2019-04-22 07:10 am (UTC)

n-MOSFET на GND мне больше нравится.

Тут еще цвет светодиода важен. Если красный, то будет светиться от 2.1 V. Если другой цвет, то придется до преобразователя напряжения включать.
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