I am trying to attach female connector to a PCB so I can easily plug/un-plug arduino nano. After I soldered header I see ~100kOhm resistance in between some pins. I can't understand how is it happening. There are no visual connection on the PCB in between those pins. I also scratched the PCB in be…

Soldering female header connector to PCB - neighbor pins some how got connected

Wawa April 12, 2018, 8:46pm 9

YOU DON'T USE FLUX TO SOLDER HEADERS ON A CIRCUIT BOARD.

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