The project is a refactor of tinyTouch from Zimeng Xiong, which you should also definitely check out. He came up with the broad approach: https://tinytouch.dev/ I wanted to add a friendly web interface for configuring things, as well as a more opinionated approach to authentication, so that it’s more straightforward for less expert users. But both approaches work with commodity hardware that you can buy online for $30-40.