M5Stack CardKB Mini Keyboard Unit (MEGA328P)

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Product details

Management number	234964738	Release Date	2026/07/02	List Price	$4.36	Model Number	234964738
Category	Product General

M5Stack CardKB Mini Keyboard Unit (MEGA328P)
Offers a full-function QWERTY keyboard, multi-key combination
Has a GROVE interface
Supports UIFlow, and Arduino
Communication via an I2C interface
Features Two Lego compatible holes

The M5Stack CardKB Mini Keyboard Unit (MEGA328P) is a unit that can implement a full-featured QWERTY keyboard. Consider that you want to make some cool stuff that requires keyboard typing and interaction, but M5 core itself just have 3 buttons, here comes the flexible and powerful CardKB unit.

It also can achieve button combination (Sym+Key, Shift+Key, Fn+Key) and output richer key value. This unit communicates with M5Core through GROVE A port (IIC interface). The address is 0x5F.