End to end IoT with Dart and Flutter
summary
Raspberry Pi reads a MAX30101 sensor over I²C, a Dart device driver (published on pub.dev) computes heart rate and SpO2 from raw LED readings, and Flutter gauges display live data pulled from an atSign personal data store. End-to-end encryption uses RSA key pairs with the device fetching receiver public keys via secondary/root servers and storing device keys on the SIM for key storage. Admin access uses an outbound SSH tunnel (“SSH no ports”). Local display uses Python/Pygame. Everything is open source.
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chapters (8)
- 0:00Introduction and background
- 3:20Mobile World Congress demo overview
- 9:20Flutter front end walkthrough
- 13:12Dart device driver deep dive
- 19:41Connectivity security and privacy
- 28:42Admin access and SSH no ports
- 31:50Local display challenges
- 34:23Review and key takeaways
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