Feegle XS Keyboard

More Information https://www.40percent.club/2021/10/feegle_xs.html

====================== Feegle XS keyboard. 12x4 matrix.

TMK Firmware https://git.40percent.club/di0ib/tmk_keyboard/src/branch/master/keyboard/feegle

Bootloader same as Aardvark https://git.40percent.club/di0ib/Misc/src/branch/master/aardvark/bootloader

More info about V-USB https://www.40percent.club/2020/08/the-aardvark.html

Top

Gerber: top.zip

PCB Thickness: 1mm

Top Convertible

Gerber: top_convertible.zip

PCB Thickness: 0.8mm

Top Grill

Gerber: top_grill.zip

PCB Thickness: 1mm

Top Aluminum

Gerber: top_single.zip

PCB Thickness: 1mm

Bottom

Gerber: bottom.zip

PCB Thickness: 1mm

Bottom Aluminum

Gerber: bottom_single.zip

PCB Thickness: 1mm

PCB mini USB

Gerber: feegle_xs.zip

PCB Thickness: 1.2mm

PCB USB C

Gerber: feegle_xsc.zip

PCB Thickness: 1.2mm

Spacer

Gerber: spacer.zip

PCB Thickness: 0.8mm

Pinout

col: B0  B1  B2  C0  C1  C2  C3  C4  C5  D0  D1  B4
row: D6  D5  D3  B3

BOM

1   ATmega328p or ATmega328 28pin DIP
1   16MHz subminiature crystal ECS-160-20-46X
2   20pf capacitors 0.1" lead spacing, 4mm max height
1   1uf capacitor 0.1" lead spacing, 4mm max height
2   68ohm resistors. Smaller 1/8 or 1/10 watt
1   1.5Kohm resistor. Smaller 1/8 or 1/10 watt
1   PTC Fuse RXEF010
1   10uf capacitor 4mm diameter RNU1A100MDS1
1   Mini USB connector with 2 mounting lugs. 2 lugs can be trimmed off 4 lug versions.
2   T1 3mm Blue/White/Green/UV 3-3.3Vfd LEDs. Not all Green LEDs are 3V. Most Blue/White/UV are.
4   4mm M2 brass spacers
4   4mm M3 aluminum unthreaded spacers R30-6200414 (optional)
4   3mm M2 screws for top
4   5mm M2 screws for bottom
4   Steel or Brass 0.3mm thick washers
1   ISP programmer for initial bootloader flashing.

How to order your own PCBs