M5Stack Cardputer with M5StampS3 – Portable ESP32-S3 Mini Computer

The M5Stack Cardputer is a card-sized, portable computer designed for engineers, developers, and makers who need a compact yet powerful device for prototyping, IoT, automation, and embedded development. At its core is the M5StampS3, a mini development board powered by the ESP32-S3 dual-core processor, bringing Wi-Fi connectivity and versatile expandability in a pocket-sized form.

With its built-in 56-key keyboard, 1.14-inch TFT screen, and integrated sensors, the Cardputer is a perfect balance of portability, functionality, and creativity.

Key Features

• M5StampS3 Microcontroller – ESP32-S3 dual-core Xtensa LX7 processor with 8M Flash, Wi-Fi support, and OTG/CDC functions.

• 56-Key Keyboard & 1.14″ TFT Screen – Easy input and clear display for programming, control, and interaction.

• Built-in Audio – Equipped with a cavity speaker and SPM1423 digital MEMS microphone for recording, wake-up commands, and audio playback.

• Infrared Emission – Control devices such as TVs, ACs, or other infrared-enabled appliances.

• Expandable via HY2.0-4P Port – Connect external I2C sensors like temperature, humidity, light, or pressure sensors for endless project possibilities.

• Micro SD Card Slot – Expand storage for program code, data files, images, and audio resources.

• Dual-Battery Power Solution – Internal 120mAh battery plus an additional 1400mAh base battery for long-lasting performance.

• Magnetic & Lego-Compatible Base – Attach securely to metal surfaces (like fridges/whiteboards) or integrate with Lego hole extensions for creative builds.

• Compact & Portable – Lightweight card-sized form factor (84×54×17mm) makes it easy to carry and deploy anywhere.

Applications

✅ Fast functional verification & prototyping
✅ Industrial control & automation
✅ Home automation systems
✅ Data acquisition & sensor monitoring
✅ Embedded system development & education
✅ Wireless communication & IoT projects

Specifications

What’s in the Box

• 1 × M5Stack Cardputer

• 1 × Hex Key

Why Choose the M5Stack Cardputer?

With its compact form, versatile expansion, built-in keyboard, display, and dual battery system, the Cardputer is the perfect portable dev kit for engineers, hobbyists, educators, and makers looking to bring ideas to life—anywhere.