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    Can I run 24VAC, 48, 36, 12VDC, ethernet together in the same conduit?

    https://thenetworkinstallers.com/blog/low-voltage-wiring-code
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    AC to DC rectifier search

    Another option is to use a computer power supply. Depending on the model some can supply 12 VDC at 18 amps. Some more some less. i.e. 120 VAC in with 12 VDC out. Have been using an old Windows computer ATX PS to run all of my 15 watt white LED outdoor lighting that turns lights on/off for...
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    Automated way for the 54IR Day and Night profile to change?

    For use with Hubitat the Zooz ZSE 11 works well for LUX data.
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    Automated way for the 54IR Day and Night profile to change?

    See https://ipcamtalk.com/threads/change-day-schedule-on-dahua-ip-camera-via-dahua-api.71218/page-3#post-1000033 Post number 52.
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    Automated way for the 54IR Day and Night profile to change?

    Have been using a LUX sensor to trigger a Dahua API to change day/night modes on a BI system for all cams. While time around sunrise/sunset works, LUX takes into account cloudy vs sunny conditions and switches modes based on light levels vs a preset time. The mode change is only active during...
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    Dahua Camera Times - How close from Cam to Cam?

    The issue of using video in a court case can be rather complicated and will vary from case to case and from court to court. Some items for consideration. 1) In regard to time, how accurate is accurate? 2) Authentication vs date/time accuracy vs weight of admissibility of video evidence...
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    Dahua Camera Times - How close from Cam to Cam?

    Using the BI overlay does work and is easy to implement. Using individual Dahua cam time is the more challenging to implement. The overall issue is that Dahua does not support millisecond accuracy for their commonly used cams.
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    Dahua Camera Times - How close from Cam to Cam?

    Time Sync - Dahua Cam Issue Resolved Issue Dahua cams on a subnet will not time sync on an internet isolated BI cam system. Background 1) Time sync from local Asus router on LAN at 192.168.1.1 2) BI windows 11 computer on LAN not connected to the internet - no gateway on either NIC 4) BI...
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    Change Day Schedule on Dahua IP Camera via Dahua API

    Updated for June 2026 - Mode Switching for Web 4 and Web 5 Dahua Cams Now using Hubitat for mode switching based on outdoor LUX in place of time before or after sunrise or sunset. System works very well. Thus no need to use the internal cam 'schedule' for mode switching. Also testing a newer...
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    Getting rid of old tools

    If in the city, place them in a box on your corner and label free. Someone will pick them up. The other option is to place in a bag and go to a garage sale. Place them on a table and leave. Craig's list under free. Or place them in a cart at Home Depot, etc.......
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    RF Detector?

    The FCC has little interest unless there a proven RF interference issue caused by a radio operator (think ham/amateur/CB) radio. There would have to be a consistent cause and effect and directly pointing to your neighbor. If others in the neighborhood are experiencing similar RF issues at the...
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    RF Detector?

    N9010B EXA has a nice Signal Analyzer that goes from 10 Hz to 44 GHz. If higher frequencies are needed, then another analyzer will be needed. To buy you are looking at $35K plus. Suggest renting for a day to keep costs down.
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    Camera suggestions for outdoor, no power, no sun, no internet?

    One issue with power pole lighting is that not all systems are powered on 100% of the time. Some use one photo cell to turn on/off a number of lights. Thus the power will only be available from sunset to sunrise. If each light has its own photo cell, then power is most likely available 100%...
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    Other people can stream your feed.

    One is never too old to learn new tricks! What is now helpful is the use of AI. Look into either Copilot, Claude or others. Most have a free trial where technical questions can be asked and answered. Many use these same AI engines for writing computer code without the need to know the...
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    Dahua Camera Times - How close from Cam to Cam?

    Will give your script a try. Ran both w32tm /query /configuration and w32tm /query /status on the BI windows computer. The results are in the text file. Take a look and let me know if there is anything unusual going on. The NTP server on the router updates the BI computer. The cams are...
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    Dahua Camera Times - How close from Cam to Cam?

    Excellent! That way you can modify the paths and file names. They are all listed in the params. Usually place a new folder on C drive to keep it simple. Easy to add and remove.
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    Dahua Camera Times - How close from Cam to Cam?

    The PS script is setup for the same user/password for all cams. I Will write up the instruction for use and get it ready for external testing. Will that work for you?
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    Dahua Camera Times - How close from Cam to Cam?

    Not concerned at this time with the overall time. But more concerned that the cams vary so much from one another. Did a test using a static set date/time. Reset all the cams. And in a few seconds some were off. It would be my guess that it is a cam issue and related to the internal clock...
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    Dahua Camera Times - How close from Cam to Cam?

    Will be glad to share has only been tested on BI. It runs on PowerShell ver 5.1 - 7.6 plus one needs to setup a flat datebase file with a listing of your cam IP addresses of interest. That is nothing more than a text file with one line for each IP address. Will get that file ready to go...
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    Dahua Camera Times - How close from Cam to Cam?

    Right now it is running on the system clock. From a historical aspect there has been a lot of drift on certain cams even with running NetTime using Google time. The BI box has no internet. Is there a way to make that happen?
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    Dahua Camera Times - How close from Cam to Cam?

    It is using a local Asus router on the LAN as the NTP source. Overall, it appears that the issue is not the time, but the drift within the cams.
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    Dahua Camera Times - How close from Cam to Cam?

    Are you referring to the screen shot or the first post with the times? If the initial post that is done with a PowerShell script.
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    Dahua Camera Times - How close from Cam to Cam?

    Some folks are just lucky. Not so on my end!
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    Tailscale - Now up to 6 Users

    Like that Tailscale has now increased the number of users on their free plan. A plus for BI folks. "The Personal plan remains free and is better than ever. In addition to new features, it now includes up to 6 seats (previously 3 users)."
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    Dahua Camera Times - How close from Cam to Cam?

    Trying out a new script that will update Dahua cameras in BI on a user set time schedule. It uses a Dahua API to set the current camera time. So far it is working well but will need more testing to make sure. As pointed out above by wittaj, some cams have a mind of their own when it comes to...
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    Dahua Camera Times - How close from Cam to Cam?

    Yes, agree. Will just have to live with the system as is. Too bad the cams can not do better, but overall being a few seconds off is a lot better than hours off! Would love to see all the cams switch at the same time, but only in Hollywood movies! Did use an overlay a few years ago but now...
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    Dahua Camera Times - How close from Cam to Cam?

    Should Dahua cams all have time within a second or is that something that is not practicable and impossible to achieve using Blue Iris? Here are the results of the cams that are running on Blue Iris. IP Address -- Time HMS 192.168.55.12 -- 14:19:02 192.168.55.16 -- 14:19:05 192.168.55.18 --...
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    Help With Running CGI Command From Batch Script ON Marquis IPC-XD400(N) Camera

    Take a look at GetHub Copilot for code assist. They have a free account for 30 days or one of the other AI assist programs. It is amazing what these programs can do. Made of list of what was wanted for a PowerShell project and 2 seconds latter it sent a 67 line script. And if one were...
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    Day / Night profile switching

    Another member found "ConfigEx" to change day/night modes for the Web 5 cams. Have implemented that change and it works well with Hubitat. Up to this point, with Web 5, have been manipulating "Time Plan Settings" to achieve the same goal. However, that process is not as simple as using...
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    Yet another clarification about Dahua Day/Night modes and profiles

    Make all of your camera changes using the camera GUI. Start with day and make your adjustments. Then night. Some FOVs and cams will do well at night while others will not. However, if interested in ID then color at night may require a long shutter speed which defeats the purpose of ID...
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