Igor ShturmaNow finishing the board design in KiCad. I will share the project in the end after it is tested. The list of changes is under "Read more" link.
Meanwhile, check out my tutorial on DIY PCB assembly here:
Instructables: How to Assemble a PCB With Tiny SMD Parts
- Changed GPIO expander from SX1508B to MCP23008T, which is supported without rebuilding the kernel.
- Selected more DIY-friendly IC packages for the expander and the USB switch.
- Corrected board dimensions to exactly match the display.
- Removed unnecessary 0-ohm jumpers.
- Added capacitors near host USB connector.
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