У вашего броузера проблема в совместимости с HTML5
Hello friends, today in this video i have shown how to make a simple inverter using old cell phone charger transformer.
Step-down transformer to High-voltage generator
https://youtu.be/nOootePeSBo
Li-ion charger circuit using 1 transistor
https://youtu.be/DOdjxFPdJ38
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