How to make 3 volt to 220 volt mini inverter using by old mobile charger

Опубликовано: 12 Сентябрь 2026
на канале: Digital Smart Idea
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3 volt dc to 220 volt ac mini inverter making by -

old mobile charger transformer
d882 transistor
220 ohms resistance
3.7 volt battery
bulb
switch

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