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Learn how to build a production OTA firmware pipeline for EV chargers with AWS IoT Core, MQTT, IoT Jobs, device shadows, and session-aware updates.
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Drawing from a migration from a self-managed MQTT broker to AWS IoT Core, this article explains how to build a production-ready OTA firmware platform for hundreds of EV chargers. It covers session-aware deployments, multi-component firmware sequencing, device shadows, IoT Jobs, observability, security, and lessons learned operating a geographically distributed hardware fleet.