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/diy/ - Do It Yourself

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>> No.2774024 [View]
File: 126 KB, 731x511, j5019 module.jpg [View same] [iqdb] [saucenao] [google]
2774024

>>2774016
Use pic related to charge your battery and boost it to 12V. Buck that down to 5V for your microcontroller (a regulator will be much less efficient and generate heat). You can use a switch or PFET to keep the battery from draining while the device is off.

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