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A comment on 3D printing a programming jig and embedding pogo pins. Parent comment

Re:3D printing a programming jig and embedding pogo pins by jpm_sd on Monday September 24, 2018 @09:58PM (#18062989)
Tried it, not a fan. I use the 10 pin ARM JTAG pinout on all my boards with a 0.050" 2x5 ribbon header. Works great, very small.

http://infocenter.arm.com/help/topic/com.arm.doc.faqs/attach...

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Re:3D printing a programming jig and embedding pogo pins by leonardmh on Tuesday September 25, 2018 @02:33AM (#18064094)
Love that connector, I’d like to see something roughly the same physical size that can do SWD/JTAG, SPI, UART, and I2C.

Even splitting that across two connectors would be good, maybe SWD+UART AND SPI+I2C

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