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Location:Training / Circuit Fundamentals / Analog / Analog electronic circuits / 9V battery turns into emergency power bank, homemade mobile phone USB charger

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9V battery turns into emergency power bank, homemade mobile phone USB charger
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Duration：9 minutes and 47 seconds
Date：2022/06/27

Uploader：抛砖引玉

Introduction

keywords： Analog electronics

Weekend Laboratory Analog Electronic Circuit Video Tutorial

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