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Pedro Bertoleti

Pedro Bertoleti is a technology consultant from Brazil, author of 2 books in embedded systems and IoT area, graduated as bachelor in Electrical Engineering (emphasis on electronics area), having 15+ years of strong experience in embedded systems and IoT solutions development for several fields, including: industry, low power communication and consumer electronics devices development. Pedro Bertoleti also has published five articles in Circuit Cellar, a very well known North American electronics magazine. In addition, he regularly contributes as software developer for some open-source relevant projects, such as NuttX RTOS.

Making robust FUOTA in ESP32 using Rollback

Status: Coming up in April 2023!

Firmware Update Over-The-Air (FUOTA) is a must-have feature in all IoT-like embedded solutions in operation today, once FUOTA can be the only possible and affordable solution for fixing some bugs, security flaws and other software malfunctions in devices in the field, using internet to provide new firmware devices located anywhere in the world. But, how do we ensure robustness to FUOTA process?

One big ally to add robustness to FUOTA process is the rollback resource. Using rollback, in case of bad firmware update (caused by some predictable or unpredictable reason), the embedded device can automatically get back to the last firmware version. It means, in case of bad firmware update, they can automatically recover themselves, without having any bricked device in the field, and requiring zero human intervention.

This presentation will show how to use rollback in FUOTA for ESP32 microcontroller, including a full demo of this process.

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