The aim of this project is to explore the following topics:
Use of SMD components
Double-sided PCB making
PCB art (Odd shaped circuit boards)
Packing boards together for manufacturing
Not to mention fun
All materials (logo, symbol, typeface) are ® and ™ of CD Projekt S.A. and associated parties.
Author and/or this project is in no way sponsored, endorsed or affiliated by CD Projekt RED or CD Projekt S.A.
Not for sale. Personal and nonprofit use only. CC-BY-NC-SA.
For people who are going to distribute the finished board (which I assume isn't going to be many):
There must be absolutely zero monetary transaction while you distribute the boards. Do not remove "NOT FOR SALE" text. Keep in mind that this is using a copyrighted material as a part of fan project.
All materials are generated using KiCad and Adobe Illustrator CS6 using JLCPCB's design rules for ease of manufacture as it seems to be an industry standard rule-set.
About Components & Assembly
For the MOSFETs, make sure the pin 1 is Gate and pin 2 is Drain. Make sure the gate threshold voltage is lower than 3.3V and make sure it can withstand at least 200mA. (single-cell lithium battery protection boards use this part)
The crystal oscillator on the daughterboard needs to be affixed to the pad right behind it to prevent excessive vibration and temperature fluctuations.
The battery needs to support at least 250mA of sustained load and must have voltage rating of at least 4.2V.
There should be some marks to indicate what to do - such as signs which look like these:
There are two sets of symbol and an extra to show if you did it wrong:
Board outline has been redone properly to ensure 100% compatibility between other programs, no more ugly null component hacks here.
Ornamental backplate has been redone too to ensure compatibility between other programs. Please note that all footprints on the board is only for show and you are not supposed to solder stuff onto it, but if you really want, you can do that, I suppose. It won't do anything, though.
Spacer pins are added. Length is about 7.5mm and the black plastic piece must go inside the circuit board sandwich and soldered on both sides to add rigidity. Flush-cutting or dome of solder is required to prevent lacerations and damages to clothing and other delicate objects (such as human flesh). Silver or lead-free solder recommended to prevent leeching of lead metal.
Logo position has been moved and resized.
Typos has been fixed.
Some warnings for people with sensitive skin:
Fiberglass board pieces near the mouse-bites or V-cuts (snap-off tab) can be sharp and strands may be irritating to skin. Sand and seal off the mouse-bites after it has been snapped off (if applicable).
Lead poisoning may occur if leaded solder is used to solder places where water, humidity, salt or sweat can come into contact (such as outside perimeter of the circuit). If you feel nauseated or dizzy, remove the board immediately from the body and seek medical attention.
Some board manufacturing processes may use non-lead-free processes and may have residual toxic chemicals. Wash each circuit board before wearing. (Isopropyl alcohol followed by dish soap will do, do this before soldering)
Currently looking for some engineers who can verify that this board is at least fit for production. I was unable to source the QA tester locally and one mistake could cost me a lot, due to it being expensive to manufacture.
Added charging pad for ease of use (Read the warning on Cmts.User)
Daughter board now has less copper to aid in signal loss reduction
Added Noncommercial symbol
Component orientations are now marked with dots (Read the Cmts.User layer)
Via stitching done (forgot to add that to Rev.9)
Daughter board has footprints but don't populate them! They are there as a decoration. You can see how the circuit makes absolutely no sense whatsoever, with it disregarding design rule like you drink water.
Now, all I have to do is have this tested somehow...