Every day I routing same parts in my projects
I decided to make square inch core with castellated holes in 2.54 pitch pin.
What is on ArmaBrain
- Samd21e18 with UF2 MSD bootloader
- MCP73831T battery charger
- Micro Usb connector, in next modules USB-C
- Charging LED
- Bootloader LED
- Speaker
- Reset button
- JTAG header
- Backlight control transistor
- Power regulator
- All necessary capacitors and resistors
meybe add power and move to https://learn.adafruit.com/adafruit-feather/feather-specification format?