If anyone is looking to repair corroded, melted, or otherwise damaged USB connections for their cams I just got this nifty item ( https://smile.amazon.com/dp/B07PLZS74V?ref=ppx_yo2ov_dt_b_product_details&th=1 )and my dead V3 has at least audio and video working! Have not tried a spotlight yet but it should work OK. Followed the wiring diagram from USB Wiring Diagram: A Complete Tutorial | EdrawMax . I got another good V3 For less than $8.00 !
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