Misc/feegle
2021-09-17 17:31:40 +00:00
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Feegle Keyboard

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

Feegle

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 Feegle PCB Top

Gerber: Feegle_Top.zip

PCB Thickness: 1mm

Bottom (other side is blank)

Feegle PCB Bottom

Gerber: Feegle_Bottom.zip

PCB Thickness: 1mm

PCB

Feegle PCB

Gerber: Feegle_PCB.zip

PCB Thickness: 1.6mm

Gerber files released under https://creativecommons.org/licenses/by-sa/4.0/

Creative Commons Attribution-ShareAlike 4.0 International License

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
2	68ohm resistors. Smaller 1/8 or 1/10 watt
1	1.5Kohm 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 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