Charging portable electronics devices via USB port is a common way. Computer USB ports could powers, and charges multiple USB devices. Only one AC to USB adapter could enough for most users.
However an electronic hobbyists requires more than one USB power adapter. I have some unused electronics components. Hence I tried to design and assemble them to make a USB power port for my own use.
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| Charging the LG G3 phone using my USB power board |
I have some SMD AMS1117-5.0, and AMS1117-3.3 chips. I designed this board to powers some USB devices and circuit prototyping.
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| Schematic Diagram |
The picture below is a finished PCB design.
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| PCB Design View |
My full working and test on this prototype listed below.
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| Finished PCB etching with DIY legend printtng |
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| Finished PCB etching |
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| Finished DIY PCB Assembling |
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| Finished DIY PCB Assembling |
Click here to download Proteus design file of this DIY PCB.
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