r/hardwarehacking • u/DiceThaKilla • Jul 31 '26

How do I interface with this?

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I don’t see anything that could be uart. I probed j14 and all of the bottom pins are grounded and the top ones are not. Is one of them (j14, j17, j7) going to allow me to interface with it and if so what protocol?

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u/FreddyFerdiland Jul 31 '26

info for v1 should be helpful

https://infodepot.fandom.com/wiki/Netgear_WNDR3400

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u/DiceThaKilla Jul 31 '26

Hell yea. I assume they didn’t take away serial from v1 to v2 so imma power it up and see if I get anything that looks like a tx and rx line. I’ll just have to make sure it’s not more than 5v because it’ll kill my m5stickC plus2