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Learn to repurpose ESP32-based commercial products by flashing custom firmware and implementing advanced debugging techniques in this 41-minute conference talk from Supercon 2024. Discover how to leverage existing commercial hardware by installing your own software, then master development and debugging workflows using open-source Tigard JTAG hardware integrated with VisualGDB in Visual Studio. Explore the implementation of robust cryptographic security features through commercial-grade wolfSSL library examples, transforming off-the-shelf ESP32 devices into customized solutions for your specific applications.