![]() The SEGGER EDU can be purchased for educational and non-commercial use for $70, but that's still a pretty steep price to pay to get into the SWD debugging game. The Debug Probe adds on SWD and has a separate port for that, so it competes also with SWD devices like this knock-off of the SEGGER J-Link BASE Debugger, which costs $500! Traditionally, you could find USB to UART adapters with varying levels of support for a couple bucks up to tens of dollars, but looking in my UART bin, I think I cover some of the more popular non-branded adapters many electronics nerds might have laying around: ![]() I have also used it in the past when updating the firmware on my Turing Pi 2, which was using another ARM chip to run its BMC, or Board Management Controller. SWD is useful when debugging ARM SoCs, like the RP2040 used on the Raspberry Pi Pico. UART is useful to connect to a device's console when you don't have a display or other means of controlling it, and you can find UART/serial/console ports on almost any device with a processor or microcontroller. ![]() The Debug Probe is powered by an RP2040, and lets you connect from USB to UART (serial) or SWD (Serial Wire Debug), perfect for debugging most embedded devices. Yesterday, in tandem with Raspberry Pi's announcement of their new $12 Debug Probe, I received one in the mail (pictured above).
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