README: add changelog for v0

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King Kévin 2021-11-02 17:38:28 +01:00
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@ -60,6 +60,22 @@ design choice
- 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.
- 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.
changelog
=========
v0
--
first prototype, used as proof of concept.
I used parts I already had in my inventory.
parts need to be solders on both sides of the PCB.
first, solder the LEDs and resistors on the top side.
then solder both USB connectors on the top side.
the tabs of the USB connectors need to the soldered on the bottom side, and provide rigidity.
cut the leads of the USB connectors so the bottom side is flat again.
finally, place the battery holder on the bottom side, and solder the leads on the top side.
requirements
============