fan

This is a Loryta Outdoor 4MP Ultra Low Light Starlight+ Camera I'm guessing that the circular fuzziness is moisture gathering on the lens? Is something like Rain-X effective and safe for the camera? Or, should I install a small solar charged, battery powered, fan? Thanks.

Is there an API command for NVR to change fan speed? I have a NVR5216-16P-I which has one fan that can change speed. I would like to know if there is API to change fan setting to 'Self-adaption' or 'Full-speed'. My thought it to use Home Assistant to set the fan to full-speed during the day...

Hi all, I have just received an unbranded Dahua NVR5216-4KS2 courtesy of Andy. It's a well made, solid looking unit and a great spec. Unfortunately it is also very loud, infact it is much loader than my HTPC, TV and Humax box all combined. This is currently unacceptable to both me and my wife...

I have a Dahua NVR but I'm sure this would work with anything. Noctua 5v fan (runs at about 15db at 100%) Noctua A-Series Cooling Fan Blades with AAO Frame, SSO2 Bearing (NF-A4X10-FLX 5V) https://www.amazon.com/gp/product/B00NEMGCIA/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 3-pin reducer...