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How to make a 12V to 5V , 3.3V and 9V convertor - YouTube
Diy 3.7v to 5v boost converter for lithium-ion battery
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How to make 3.7v to 5v converter circuit5v 15v 8v How to make a 12v to 5v , 3.3v and 9v convertor5v convert 9v circuits experimenter analog eleccircuit.
การทำภาคจ่ายไฟ 5v, 8v ,15v ไว้ใช้ทดลองวงจรง่ายๆ .