The Raspberry Pi Debug Probe is an all-in-one USB-to-debug kit that provides all the necessary hardware and cables for easy, solderless, plug-and-play debugging. For when "printf-style-debugging" just isn't enough, this kit which brings the power of gdb & OpenOCD step and trace debugging to the RP2040 chipset. And for those of us who do like printf-debugging, it also comes with a bonus USB-to-Serial converter. It is an inexpensive, all-in-one USB to serial debug and UART bridge, for less than the cost of two separate cables.