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 Resource Parameter Microcontroller ESP32-S3 @ Xtensa LX7, 8M Flash, Wi-Fi, OTG/CDC Battery Capacity 120mAh 1400mAh (base) Display 1.14″ ST7789V2 TFT, 240×135 px Infrared Emission Distance ∠180°: 410cm / <90°: 66cm / <45°: 170cm Standby Current DC 4.2V / 0.26μA Operating Current IR Mode: 255.6mA / Key Mode: 165.7mA Speaker 8Ω @ 1W Product Size 84×54×17mm Package Size 149×94×18mm Product Weight 92.8g Package Weight 114g 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.
