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usbliter8 is a tethered bootrom exploit for Apple A12 and A13 SoCs, using an RP2350-based microcontroller board to exploit a USB controller bug and gain low-level device access.
A blog post exploring how to use a Raspberry Pi Pico RP2350 with PIO to monitor the address and data buses of a Z80 microprocessor, including timing considerations and clock speed limits.
The pic0rick is an open-source ultrasound acquisition board based on the RP2040/RP2350 microcontrollers, offering a low-cost alternative to FPGA-based designs for DIY ultrasound imaging.