M5Stack Cardputer with M5StampS3 v1.1

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Cardputer v1.1 is a high-performance card computer designed for engineers, comprehensively upgraded from the original Cardputer. The new version features an all-new StampS3A microc ontroller and optimized core module antenna and keys, significantly enhancing system stability and user experience.In terms of control and interaction, the product is equipped with a 56-key keyboard and a 1.14-inch TFT screen for efficient display and operation; the onboard SPM1423 digital MEMS microphone supports recording and wake-up functions and outputs audio via an integrated cavity speaker; additionally, an infrared emitter provides external infrared control capabilities.For expanded functionality, a built-in Grove interface facilitates custom sensor expansion; storage is enhanced with a Micro SD card slot for easy expansion of storage space. The power system employs an internal 120mAh battery alongside a 1400mAh battery in the base, integrating lithium battery charging and boost/buck circuits to greatly extend battery life. Structurally, the base is equipped with magnets for metal adhesion and is compatible with LEGO stud expansion.This product is widely applicable for rapid functional verification, industrial control, home control systems, and various other application scenarios. Features StampS3A microcontroller 56-key keyboard 1.14-inch TFT screen Cavity speaker and SPM1423 digital MEMS microphone Infrared emitter for infrared control interaction HY2.0-4P interface Micro SD card slot Built-in 120mAh and base 1400mAh lithium batteries Base with magnets Compatible with LEGO stud expansion Development Platforms UIFlow 1.0 UIFlow 2.0 Arduino IDE Includes 1 x Cardputer V1.1 1 x L-shaped 1.5mm hex key (for M2 screws) Applications Rapid functional verification and prototyping Industrial control and automation Home control systems Data acquisition and sensor monitoring Embedded system development and learning Wireless communication and IoT projects Specifications Specification Parameter StampS3A ESP32-S3 (Xtensa LX7), 8MB Flash, Wi-Fi, OTG, CDC Flash 8MB Storage SD Card Keyboard 56 keys (4 x 14) Button 1 x Reset key + 1 x User key Grove 1 x HY2.0-4P Battery Capacity 120mAh + 1400mAh (in the base) Screen ST7789V2 @ 1.14 Inch, 240 x 135 px Speaker 8Ω @ 1WI2S @ NS4168 Microphone MEMS microphone @ SPM1423 Infrared At 0°: 410cm (straight-line distance)At 90°: 66cmAt 45°: 170cm Sleep Current DC-4.2V @ 0.15uA Operating Current IR transmission mode: DC-4.2V/148.07mAKey mode: DC-4.2V/138.93mA Working Temperature 0-40°C Product Size 84.0 x 54.0 x 19.7mm Packaging Size 149.0 x 94.0 x 18.0mm Product Weight 90.0g Gross Weight 106.8g Difference Between Cardputer V1.1 and Cardputer Adv and Cardputer Product Comparison Item Cardputer-Adv Cardputer v1.1 Cardputer Core Module Stamp-S3A Stamp-S3A Stamp-S3 RGB LED Logic Shares power with display backlight, optimized control logic Shares power with display backlight, optimized control logic Powered directly Antenna Design Optimized antenna design for better reception Optimized antenna design for better reception Standard antenna Battery Capacity 1750mAh 120mAh + 1400mAh 120mAh + 1400mAh Audio Solution ES8311 NS4168 + SPM1423 NS4168 + SPM1423 Audio Port 3.5mm audio jack / / IMU BMI270 / / Keyboard IO Exp. TCA8418RTWR 74HC138 74HC138 Expansion Ports HY2.0-4P + EXT 2.54-14P HY2.0-4P HY2.0-4P Lanyard Hole Yes No No Arduino Cardputer v1.1 Arduino Library Platform.IO [env:m5stack-stamp-s3]platform = espressif32board = esp32-s3-devkitc-1framework = arduinoupload_speed = 1500000build_flags = -DESP32S3 -DCORE_DEBUG_LEVEL=5 -DARDUINO_USB_CDC_ON_BOOT=1 -DARDUINO_USB_MODE=1 lib_deps = M5Unified=https://github.com/m5stack/M5Unified ESP-IDF Cardputer v1.1 User Demo Easyloader Easyloader Download Link Remarks Cardputer v1.1 User Demo Easyloader Download / Schematics Cardputer V1.1 Schematics PDF Cardputer V1.1 Base Schematics PDF Model Size Show more