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Engineering notes
What I've learned shipping Flutter apps that talk to real hardware — EV chargers, IoT devices and the backends behind them.
· 4 min read
Building an EV Charging App in Flutter: OCPP Architecture That Survives Real Chargers
How a Flutter EV-charging app should talk to OCPP 1.6 / 2.0.1 chargers — why the phone never speaks OCPP, modelling a charging session as a state machine, and the edge cases that break naive implementations.
FlutterOCPPEV ChargingIoTArchitecture· 4 min read
MQTT in Flutter with AWS IoT Core: Auth, Reconnects and App Lifecycle
A production checklist for connecting a Flutter app to AWS IoT Core over MQTT — choosing the right auth model, unique client IDs, keep-alive, QoS 1 duplicates, and reconnecting cleanly across app lifecycle changes.
FlutterMQTTAWS IoT CoreIoTDart