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.
Discusses HID over I2C, an underappreciated HID standard used in laptops.
Explains that I2C-HID is used for touchpads, touchscreens, and sensor hubs.
Distinguishes I2C-HID from non-HID I2C devices and explains its benefits.
Describes the author's experience with using I2C-HID for a laptop touchpad project.