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/diy/ - Do It Yourself

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>> No.1643890 [View]
File: 95 KB, 1000x1000, 1538963860762.jpg [View same] [iqdb] [saucenao] [google]
1643890

>>1643875
buck-boost converter similar to Pic related, this one might be inefficient at the sorts of loads that a single IC would generally draw
>5V battery
cool story bro

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