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M5Stack Cardputer: The Powerful and Compact Card Computer

28 Jun 2024 0 Comments

 ''A unique card computer—Card Computer. The M5Stack Cardputer is a microcomputer equipped with a keyboard, display, wireless capabilities.''

What is M5Stack Cardputer

Hello everyone, today I am going to introduce you to a unique card computer—Card Computer. The M5Stack Cardputer is a microcomputer equipped with a keyboard, display, wireless capabilities, as well as a built-in microphone and speaker... all of which make it sound more impressive and practical than it actually is. The display is a 1.14-inch TFT LCD screen. Its keyboard is designed for thumb typing (which seems uncomfortable to use). The processor is an ESP32 microcontroller, which is not very fast.
 

Review

First, let's take a look at its appearance and peripherals.The exterior is composed of a plastic shell. On the front of M5Stack Cardputer, it features a 1.14-inch TFT screen. The left side has a microphone, while the right side houses an M5StampS3 microcontroller with an ESP32-SFN8 main chip. The lower part is equipped with a 56-key standard keyboard.
 
 
On the left side of the device, there is an expandable HY2.0-4P interface, which can be adjusted for 5V input or output using a switch.
 
 
On the right side of the device, there is a speaker and a Type-C interface for the microcontroller, which can be used for our future creative projects and development.
 
 
On the top of the M5Stack Cardputer device, there is an infrared emitter for infrared control interactions, a reset button, an SD card slot for expanding storage, a power button (left for off, right for on), and a menu return button. Additionally, the back of the device features several holes compatible with LEGO, allowing for easy DIY modifications.
 
 

Power Supply

The power supply for the card computer consists of an internal power source and a base power source, providing long-lasting battery life. The M5Stack Cardputer internal battery is 120mAh, and the base battery is a 1400mAh lithium battery. Upon receiving the package, you'll find a hexagonal screwdriver included. You can use it to unscrew the back panel and check the base battery. These two power sources provide additional power for the card computer.
 
 
Let's take a closer look at the native functions of the card computer. First, power it on and press any key to enter the main menu. The first option is Wi-Fi connection, followed by the voice recorder, and then our chat function, which requires two card computers. Both parties can open a chat and send "openelab". Other features include infrared control, an interactive REPL environment, Wi-Fi settings, timers, and keyboard connection.
 

 

M5Stack Cardputer

The Cardputer is a card-sized computer designed for engineers, utilizing the M5StampS3 as its main controller. For control and interaction, it is equipped with a 56-key keyboard and a 1.14-inch TFT screen for display interaction. Additionally, it features an onboard SPM1423 digital MEMS microphone for recording or wake-up functions, and it is connected to a cavity speaker for sound playback. An infrared emitter is also included for external infrared control interactions.
 
In terms of expansion, the Cardputer has an onboard Grove port, allowing for the expansion of I2C sensors. For storage, it includes a Micro SD card slot to expand storage capacity. Powering the device is a solution that includes a 120mAh internal battery and a 1400mAh battery in the base, significantly enhancing battery life. The system includes lithium battery charging and boost/buck circuits.
 
Structurally, the base contains magnets for metal adsorption and is designed to be compatible with LEGO hole expansions. This product is suitable for engineers for rapid functional verification and design, industrial control, home control systems, and more.

 

 

Features

  • M5StampS3 Microcontroller.
  • 56 key keyboard.
  • 1.14 Inch TFT Screen.
  • Cavity speaker and SPM1423 digital MEMS microphone.
  • Infrared emission tube is used for infrared control interaction.
  • HY2.0-4P port for connecting and expanding I2C sensors.
  • Micro SD card slot for expanding storage space.
  • The built-in 120mAh and 1400mAh lithium battery in the base provide long battery life.
  • Base with magnet, compatible with Lego hole expansion.

 

Includes

  • 1x Cardputer
  • 1x M2 Hex Key

 

Applications

  • Fast functional verification and prototyping
  • Industrial control and automation
  • Home Control System
  • Data acquisition and sensor monitoring
  • Embedded system development and learning
  • Wireless communication and Internet of Things (IoT) projects

 

Schematic

 

PinMap

PORT A
SPM1423 MIC
Micro SD Socket
ST7789V2
Keyboard&Battery Detect
Speaker&IR

 

Module Size

 

If you're working on a project using M5Stack Cardputer, our website offers a wide range of M5Stack Cardputer products, and we can also produce customized M5Stack Cardputer based on your requirements.

OpenELAB is a one-stop development platform for global AIoT electronics enthusiasts and an open-source community for electronic engineers. Besides providing developer modules online, our services also include customized manufacturing of various electronic parts such as micro switches and batteries, as well as plastic or metal parts through 3D printing, injection molding, CNC, laser cutting, etc.

In addition to M5Stack Cardputer, OpenELAB offers other electronic component sourcing services such as sensors, displays, IoT, and more. OpenELAB has a user-friendly website that makes it easy to find the components you need, and we offer fast shipping to customers around the world.

Moreover, OpenELAB offers Design as a Service (DaaS) for design optimization, Manufacturing as a Service (MaaS) for production manufacturing, Supply Chain as a Service (SaaS) for supply chain support, and Quality as a Service (QaaS) for quality control to AIoT products transitioning into mass production, ensuring a smooth transition to the commercial production phase.

Most importantly, OpenELAB is dedicated to building a global open-source community for AIoT electronic developers. Through the OpenELAB open community, developers in the AIoT electronic revolution can collaborate, empower each other, and create a culture of mutual respect and collaborative.

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