Got a similar issue on the voltage frying things I believe. Cb3-431-c0ak
Afraid I can't help too much on touchpad, but I registered to reply on the wifi one that I'm pretty sure my black and white cables are reversed....of course this happened and then I reread and saw you are somehow detecting networks, so

Appreciate your photos, gives me some stuff to test and ... possibly find on ebay!
*And zooming in, a different wifi chip!...
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