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MQTT

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Development/Design

[ESP32] How to deal with stack overflow error after MQTT communication that occurred after migration to ESP-IDF

Stack overflow is a phenomenon in which a task runs out of allocated stack memory Stack overflows can occur due to the receiving or parsing process of MQTT messages Sometimes it can be solved by changing the stack size setting in the sdkconfig file. This can be resolved by changing the stack size setting in the sdkconfig file.
Development/Design

[ESP32] OTA update: Firmware update using MQTT and AWS IoT device shadow

When the user accepts the update, the app sends an API request to the server, which reflects the change in the AWS IoT device shadow. The device detects this change via MQTT and performs a firmware download and upgrade.
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