The M5Stack Cardputer v1.1 is a high-performance card computer featuring a StampS3A microcontroller, 56-key keyboard, 1.14-inch TFT screen, and various interfaces for expansion and control. It's ideal for rapid prototyping, industrial control, and IoT projects.
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T-Keyboard S3 Pro featuring default firmware and I2C expansion mode, with a dual-core LX7 microprocessor, 2.4 GHz Wi-Fi & Bluetooth5 (LE), and 14 programmable RGB LEDs. It includes four magnetic connectors and can be expanded up to a 2x3 grid layout.
An article discussing the use of HID over I2C for coupling STM32 and Linux in a project, offering a detailed example, and discussing the benefits such as compatibility, low power consumption, and ease of implementation.
