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


Using SMT switches https://www.40percent.club/p/smt-conversion.html



### Top ### Top
![Feegle PCB Top](top.png) ![Feegle PCB Top](top.png)
### BOM mini USB ### BOM mini USB


1 ATmega328p or ATmega328 28pin DIP 1 ATmega328p or ATmega328 28pin DIP
48 4.5x4.5 6-7mm tall tactile switches
48 4.5x4.5 6-7mm tall tactile switches https://www.40percent.club/p/smt-conversion.html
1 4.5x4.5 5mm tall tactile switch (bootloader) 1 4.5x4.5 5mm tall tactile switch (bootloader)
1 16MHz subminiature crystal ECS-160-20-46X 1 16MHz subminiature crystal ECS-160-20-46X
2 20pf capacitors 0.1" lead spacing, 4mm max height 2 20pf capacitors 0.1" lead spacing, 4mm max height
same as XS with the addition of the 5.1k resistors and the USB C connector instead of mini USB. same as XS with the addition of the 5.1k resistors and the USB C connector instead of mini USB.


1 ATmega328p or ATmega328 28pin DIP 1 ATmega328p or ATmega328 28pin DIP
48 4.5x4.5 6-7mm tall tactile switches
48 4.5x4.5 6-7mm tall tactile switches https://www.40percent.club/p/smt-conversion.html
1 4.5x4.5 5mm tall tactile switch (bootloader) 1 4.5x4.5 5mm tall tactile switch (bootloader)
1 16MHz subminiature crystal ECS-160-20-46X 1 16MHz subminiature crystal ECS-160-20-46X
2 20pf capacitors 0.1" lead spacing, 4mm max height 2 20pf capacitors 0.1" lead spacing, 4mm max height

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