hi i am using NUCLEO-F429ZI and i am trying to connect a ST-LINK/V2 externally instead of in-bult st-link, i tried everything, it just says unable to detect the target

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Chief III

??? Two wires and GND dont work ???

Associate III

no

i tried two, i tried with all the wires different config for st-link utility, nothing works

Chief III

Try shoiw photo or schematics what you do. For connect external stlink you ned cut onboard stlink out ...

Guru

The SWD header is designed for OUTPUT not INPUT, review schematic, inject via jumpers, and disconnect NRST and SWO too.

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