Just as the USB port on your phone can serve as a serial connection ... a script and a few tweaks to how the Pi starts up. The result is a Raspberry Pi Zero that will appear as any USB peripheral.
Lacking any keyboard or monitor connections, the only way to communicate with this system is a pair of serial ports. [Adam] decided to make the board more accessible by adding a Raspberry Pi ...
which managed to turn on the 'permanently disabled' RISC-V cores and their debug access port, enabling him to read the secret. Raspberry Pi introduced the RP2350 via the Raspberry Pi Pico 2 as a ...