README: add changelog for v0
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README.md
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README.md
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@ -60,6 +60,22 @@ design choice
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- to keep the board small, I decided to put the battery holder on the back of the board. This requires you to solder it last, else it would cover the hole for the USB-A receptacle.
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- I did not specify the colors of the LEDs, or the value of the resistors, in the schematic, since I wanted to try out alternatives while assembling them.
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changelog
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=========
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v0
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--
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first prototype, used as proof of concept.
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I used parts I already had in my inventory.
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parts need to be solders on both sides of the PCB.
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first, solder the LEDs and resistors on the top side.
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then solder both USB connectors on the top side.
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the tabs of the USB connectors need to the soldered on the bottom side, and provide rigidity.
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cut the leads of the USB connectors so the bottom side is flat again.
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finally, place the battery holder on the bottom side, and solder the leads on the top side.
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requirements
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============
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