Installation

Install the Arduino IDE: Download and install the Arduino IDE from the official website.
Setup the M5Stack Board Manager:
- Open the Arduino IDE, go to File > Preferences.
- In the "Additional Board Manager URLs" field, add the following URL:
  https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/arduino/package_m5stack_index.json
- Open Tools > Board: > Boards Manager... and search for "M5Stack".
- Install the M5Stack board support package.
Install Required Libraries:
- Open the Library Manager by navigating to Sketch > Include Library > Manage Libraries...
- Search for M5Unified and M5GFX and install them.
Load the Sketch:
- Copy the provided code into a new Arduino sketch.
- Select the appropriate board (likely under an M5Stack heading) and the correct port under the Tools menu.
- Upload the sketch to your M5Cardputer.

Usage

After uploading the sketch, the M5Cardputer will display "USB Serial Terminal Ready".
Use the M5Cardputer's built-in keyboard to type and send data over USB.
Incoming serial data from the USB connection will be displayed on the M5Cardputer's screen.
Press the enter key to send your typed data; use the backspace key to correct any input before sending.

Contributions to this project are welcome. Feel free to fork the repository, make your changes, and submit a pull request.

This project is released under the MIT License. See the LICENSE file in the repository for more details.

Thanks to the M5Stack community for providing the resources and support necessary to develop this project.