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    HA-DB-6I (OEM) Dahua Doorbell Camera "Failed Connection" issues

    Just solved a mystery with my OEM HA-DB-6I (Dahua DB6I-CAN) Doorbell Camera. I installed this OEM Dahua camera about two years ago. Initially I had to upgrade my doorbell transformer from 10VAC (13.8VAC no load) to a 16VAC 10VA transformer, but it worked perfectly for over a year and a half...
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    OEM Dahua NVR - Newest Web UI design is a disaster - NVR-NV42A16-P16-4K-S2L

    My surveillance product vendor's supplier, Ameta Group, is very difficult to communicate with, even through the vendor. I ask a question and rarely get an answer. Usually it goes into a black hole unless I am annoyingly persistent, and then it's usually a non-answer like "we'll get back to you"...
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    Anyone here write ONVIF code? How does Dahua request an ONVIF sub-stream profile?

    Here is my setup: I have a Dahua NVR42A16-P16-4K-2SL NVR. I have written my own firmware for an ESP32-CAM board and am now streaming to my NVR. The problem: In the Live view, if I click on the Camera button (in this example, Channel 8), I get the spinning circle of death and nothing happens...
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