I built a secure, Rust-based ESP32 weather sensor with OTA updates, MQTT over TLS, and a minimal OTA backend pulling from an OCI registry. The post walks through the design, setup, firmware, and lessons learned from working with low-memory devices and embedded Rust.
I built a secure, Rust-based ESP32 weather sensor with OTA updates, MQTT over TLS, and a minimal OTA backend pulling from an OCI registry. The post walks through the design, setup, firmware, and lessons learned from working with low-memory devices and embedded Rust.