In this web content, the author discusses the process of creating a touchscreen device using HID descriptors. They provide tools and instructions for capturing and parsing HID descriptors from a touchscreen, as well as interpreting the events received from the device. The author shares their personal experience of building a DIY USB-connected touchscreen by imitating the HID descriptor of another touchscreen device. They emphasize the hackability and ease of building unique HID devices using Linux. The author also mentions the potential for using HID in various applications, such as creating a cross-compatible Braille display or modifying keyboards with I2C touchpads.
https://hackaday.com/2024/02/06/human-interfacing-devices-packing-for-the-descriptor-heist/