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For future PCB business card ideas: it would be dope if it can play audios. Gemini says you can power a piezo buzzer (causing a small bump on a PCB) w/ NFC (ju

by yegle 17d ago

For future PCB business card ideas: it would be dope if it can play audios. Gemini says you can power a piezo buzzer (causing a small bump on a PCB) w/ NFC (just enough power to drive it) to play the modem dialup handshake audio.

nielsole 17d ago
Different idea: https://hackaday.com/2024/06/06/2024-business-card-challenge-tiny-midi-keyboard/ https://hackaday.com/2024/06/06/2024-business-card-challenge...