HPR3781: The Joule Thief
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https://hackerpublicradio.org
«The Joule Thief is a delightfully simple circuit that can light an
LED that requires 2V or more from a battery that is depleted to 1V or
less. There are three components in addition to the battery and LED: an
NPN transis...»
Automatische Weiterleitung...
1.5s