Explore hardware hacking techniques in this 45-minute conference talk from linux.conf.au. Dive into the world of SD card processor hacking, turning these tiny devices into covert Raspberry Pi-class computers. Learn how to root the card's ARM926EJ-S CPU, install a more feature-rich OS, and leverage its unique capabilities, including hardware AES encryption and native Java bytecode support. Discover the process of breaching security, enabling advanced network configurations, and customizing the device for specific workloads. Examine the potential security threats and countermeasures associated with controlling such hidden computers. Gain insights into similar exploits against hard drive controllers and explore the fascinating realm of miniaturized automation scenarios. Remember to use this knowledge responsibly as you uncover the vast potential hidden within these small-scale computing devices.