| .. | ||
| Feegle_Bottom.png | ||
| Feegle_Bottom.zip | ||
| Feegle_PCB.png | ||
| Feegle_PCB.zip | ||
| Feegle_Top.png | ||
| Feegle_Top.zip | ||
| Feegle.jpg | ||
| readme.md | ||
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
Flashing bootloader with Arduino Uno https://www.40percent.club/p/arduino-isp-bootloader-flash.html
More info about V-USB https://www.40percent.club/2020/08/the-aardvark.html
Top
Gerber: Feegle_Top.zip
PCB Thickness: 1mm
Bottom (other side is blank)
Gerber: Feegle_Bottom.zip
PCB Thickness: 1mm
PCB
Gerber: Feegle_PCB.zip
PCB Thickness: 1.6mm
Gerber files released under https://creativecommons.org/licenses/by-sa/4.0/
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 SR151A200JAR
1 1uf capacitor 0.1" lead spacing, 4mm max height AR155C104K4R
2 68ohm resistors. Smaller 1/8 or 1/10 watt
1 1.5Kohm resistor. Smaller 1/8 or 1/10 watt
1 10Kohm resistor. Smaller 1/8 or 1/10 watt
2 6x6mm tactile switches 5mm height, for boot and reset
48 6x6mm tactile switches 6-7mm height
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 (optional) Harwin R30-6200414, Lyntron 6mm diameter AA5005-30-04.0-00
6 3mm M2 screws for top
6 5mm M2 screws for bottom
6 Steel or Brass 0.3mm thick washers, 0.5mm red fiber washers, 1mm nylon washers
1 ISP programmer for initial bootloader flashing.