Unit CardKB | A 42-key portable keyboard input unit of card size @M5Stack

Unit CardKB | A 42-key portable keyboard input unit of card size @M5Stack

Uploaded April 2026 | Updated September 2026, 3 weeks ago

Unit CardKB2 is a 42-key portable keyboard input unit with a card-sized design. It is compact and lightweight, making it suitable for carrying around or embedded integration. It is equipped with the ESP32-C61HF4 main control chip and supports 2.4 GHz Wi-Fi 6.

Unit CardKB | A 42-key portable keyboard input unit of card size

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Unit CardKB | A 42-key portable keyboard input unit of card size