Harshwardhan's notesBuild notes from Harshwardhan Joshi: hardware, software, data and AI engineering, and the occasional experiment.https://hrjoshi.com/AboveUs: the flight above our living room, on e-inkhttps://hrjoshi.com/notes/aboveus/https://hrjoshi.com/notes/aboveus/A Raspberry Pi Zero 2 W, a spare e-ink panel and free community ADS-B data, turned into a living room display that always knows what is flying over the apartment.Thu, 09 Jul 2026 00:00:00 GMT