htlnuzd-m5stack-cardkb

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CardKB I2C keyboard unit reference for MCs.

Authortherebelrobot
Version1.0.0
Installs0

System Documentation

What problem does it solve?

The CardKB reference provides a complete guide for integrating the HTLNUZD M5Stack CardKB V1.1 Mini 50-Key QWERTY Keyboard Unit with microcontrollers, including I2C wiring, address details, and practical code examples, so developers can quickly add compact keyboard input to their projects.

Core Features & Use Cases

  • I2C-based 50-key QWERTY keyboard with documented pin usage and address (0x5F)
  • Arduino and TinyGo compatibility with wiring examples and sample sketches
  • Use cases include handheld data entry, hotkey control, and text input on embedded systems

Quick Start

Connect CardKB to a microcontroller via I2C at address 0x5F and run the included sample sketches to read keycodes.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: htlnuzd-m5stack-cardkb
Download link: https://github.com/therebelrobot/microcontroller-base/archive/main.zip#htlnuzd-m5stack-cardkb

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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