JLink JTAG access on the Pinecil soldering iron

The Pinecil soldering iron continues to evolve as a hacker's toolkit. Daniel Mangum has added JLink JTAG debugging support to the popular open-source iron, building on earlier UART access work documented at Adafruit. With upstream support for the Bouffalo Lab BL706 microcontroller now in the Zephyr real-time operating system, developers have more tools for in-circuit debugging. The result: a soldering iron that doubles as a hardware development platform. For the maker and embedded community, that means cheaper, more accessible debugging hardware.

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