2017 DevFestMN Richard Banasiak
summary
A holiday-party location tracker called nerd finder uses ~21 iBeacons (19 actually working after battery swaps and 3D-printed housings), AltBeacon on Android, the firebase realtime database and Firebase Cloud Messaging, plus a small server on a DigitalOcean droplet to sign push requests securely. Devices scan every five minutes for 1.5 seconds, report the nearest beacon (room-level accuracy, not true triangulation), and a poke with two presets fixes ring‑around‑the‑rosie by asking “come find me” or “I’m coming to you.”
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chapters (7)
- 0:00Introduction
- 2:51Nerd Finder TM
- 10:22Beacons and Firebase
- 17:14Use cases and party scenarios
- 21:02Q&A
- 32:06Firebase and indoor positioning
- 36:17User feedback and improvements
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