# Embedded and IoT

> Posts about Embedded and IoT on abchaudary.me.

- [ESP32 Provisioning and MQTT Reconnects: Offline Is Normal](https://abchaudary.me/blog/esp32-wifi-provisioning-mqtt-reconnect): ESP32 firmware has to treat offline as normal: Wi-Fi provisioning that does not fight the radio, capped reconnects with backoff, an MQTT outbox that expires in 30 seconds, and a local gateway.