Power Supply With Battery

About: I am abbas poryazdanpanah I live in iran I made 30 hand work with Losses I have 70 years old

The video

Hello I made a power supply 3 to 30 volts for my grand son it works withe battery and mobile charger

Step 1:

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    hamid160

    2 years ago

    سلام جناب عباسپور رشته تخصصی شما چی هست من عاشق الکترونیکم ولی توی سایتهای داخلی چیزی پیدا نکردم ولی این سایت خیلی عالیه