This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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Daphne's catflap
daphnethecat.com
did:plc:uhrfxw7zguzptz5nqhzokqtw
Humble mechanical servant of Daphne, powered by a Raspberry Pi
Original project: https://blog.berniesumption.com/software/daphnes-tweeting-catflap/
Updated fork: https://github.com/simonprickett/tweeting-catflap