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pizzalover125pizzalover125
Update firmware.py
May 26, 2025
c8d5d4f · · May 26, 2025

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JOURNAL.md
JOURNAL.md
May 26, 2025
README.md
README.md
May 26, 2025
bom.csv
bom.csv
May 26, 2025
cardpad.zip
cardpad.zip
May 26, 2025
firmware.py
firmware.py
May 26, 2025

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cardpad

A macropad in the size of a business card. Super simple, yet functional. Idk what to say. It was easy to make due to my previous struggle on my keyboard.

image image image

BOM

  • 5x PCB ($13.09 from JLCPCB)
    • Shipping is super expensive now for some reason...
  • 5x IO Expander ($0.99), 100x Resistors ($1.10), 100x LEDs($1.55), 50x 6mm push buttons ($1.35). $5.42 from AliExpress.
    • There are random coupons so I have them all listed with their price w/o fees, and then the total price w/ everything included
  • 1x Xiao RP2040 w/ unsoldered headers ($6.03 from official website)
    • Shipping is too expensive 😢 I looked on AliExpress, but tariffs there are too insane. UPDATE WELCOME5 gives you a $5 discount :yay:

** TOTAL: $24.54 **

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A macropad in the size of a business card for portability.

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