Tic-Tac-Toe Business Card

I was inspired by Ryan Chan using ATMega328 to build a Tic-tac-toe business card. I decided to make my own version using RP2040 that runs on Micropython

Features

Full tic-tac-toe gameplay experience
NFC feature that navigates others to my github link

Components

RP2040 + Crystal + Flash Storage
USB-C for power supply + communication
NFC + antenna

Images

$3d_model_front$

Name	Name	Last commit message	Last commit date
Latest commit Hung-Chi970104 Update images Feb 1, 2026 9ec4c7e · · Feb 1, 2026 History 9 Commits
Stem_Logo.pretty	Stem_Logo.pretty	First Commit	Jan 30, 2026
Tic-tac-toe_Business_Card-backups	Tic-tac-toe_Business_Card-backups	First Commit	Jan 30, 2026
assets	assets	Update images	Feb 1, 2026
lib/NFC_Tic_Tac_Toe.pretty	lib/NFC_Tic_Tac_Toe.pretty	First Commit	Jan 30, 2026
production	production	First Commit	Jan 30, 2026
.gitignore	.gitignore	Initial commit	Jan 30, 2026
NFC.kicad_sch	NFC.kicad_sch	First Commit	Jan 30, 2026
README.md	README.md	Update images	Feb 1, 2026
Tic-tac-toe_Business_Card.csv	Tic-tac-toe_Business_Card.csv	First Commit	Jan 30, 2026
Tic-tac-toe_Business_Card.kicad_pcb	Tic-tac-toe_Business_Card.kicad_pcb	First Commit	Jan 30, 2026
Tic-tac-toe_Business_Card.kicad_prl	Tic-tac-toe_Business_Card.kicad_prl	First Commit	Jan 30, 2026
Tic-tac-toe_Business_Card.kicad_pro	Tic-tac-toe_Business_Card.kicad_pro	First Commit	Jan 30, 2026
Tic-tac-toe_Business_Card.kicad_sch	Tic-tac-toe_Business_Card.kicad_sch	First Commit	Jan 30, 2026
Tic-tac-toe_Business_Card.zip	Tic-tac-toe_Business_Card.zip	First Commit	Jan 30, 2026
blue_led.kicad_sch	blue_led.kicad_sch	First Commit	Jan 30, 2026
fabrication-toolkit-options.json	fabrication-toolkit-options.json	First Commit	Jan 30, 2026
fp-info-cache	fp-info-cache	First Commit	Jan 30, 2026
fp-lib-table	fp-lib-table	First Commit	Jan 30, 2026
red_led.kicad_sch	red_led.kicad_sch	First Commit	Jan 30, 2026
tic_tac_toe.py	tic_tac_toe.py	Finished coding gamee logic	Feb 1, 2026

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Tic-Tac-Toe Business Card

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Tic-Tac-Toe Business Card

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Releases 1

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