Feegle Keyboard

More Information https://www.40percent.club/2020/10/feegle.html

Feegle 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: Feegle_Top.zip

PCB Thickness: 1mm

Bottom

Gerber: Feegle_Bottom.zip

PCB Thickness: 1mm

PCB

Gerber: Feegle_PCB.zip

PCB Thickness: 1.6mm

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.
6   4mm M2 brass spacers
6   4mm M3 aluminum unthreaded spacers R30-6200414 (optional)
6   3mm M2 screws for top
6   5mm M2 screws for bottom
6   Steel or Brass 0.3mm thick washers
1   ISP programmer for initial bootloader flashing.

How to order your own PCBs