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  1. guykuo

    How to create a low humidity environment to put bullet camera back together?

    When I did resealing, I put the camera and silica packs into my dehydrator for a few hours. Then reassembled while hot.
  2. guykuo

    Paint my LPR Camera or no?

    I used different color spray cans of paint intended for camo. Home depot has them.
  3. guykuo

    In ground camera placement ideas

    It's really not a matter of the lens angle. It's the IR illuminators output cone touching any nearby objects and reflecting back onto the front glass of the camera. That creates halos whenever the IR is on. You can demonstrate this yourself by putting objects within a foot of the camera but just...
  4. guykuo

    In ground camera placement ideas

    Only issue I can think of with the rocks being placed is IR back reflection clouding the image. None of my cameras like anything near their lens unless the object is way off axis. Otherwise, it's halo city when the IR illuminator comes on. I guess you could also go with separate illuminators.
  5. guykuo

    Same form factor as SD1A203T-GN but with better camera?

    I replaced one of my SD1A203T-GN with 4MP SD1A404XB-GNR (both from Andy). Definitely a noticeably sharper image in the daytime. Night time performance is a touch less light sensitivity than the 2MP version. It's still a lot better in the dark than a non-starlight, and I can see everything I...
  6. guykuo

    Budget Dahua Cams or china alternatives under $100?

    Many thanks for the STL's. I print PETG and polycarbonate here. Should be able to get something to work. That's an elegant looking mounting solution you designed.
  7. guykuo

    Budget Dahua Cams or china alternatives under $100?

    Grabbed two of the Amcrests. Thanks for the tips availability and discount code. Flashed to Dahua firmware..... and definitely a lot better optics and sensor than a cheap, old, 6MP Chinese version, hacked English language, Dahua turret. Also, great to have video viewing without plugins. Most of...
  8. guykuo

    Ubiquity EdgeRouter X - Configuring to Isolate Surveillance Networks

    Sorry to hear it didn't work. Without actual xboxes here, I'm afraid I won't be of much further help with that.
  9. guykuo

    Modification SD49425XB-HNR 4MP, Add 12 Volt Microphone Power Output

    Double check that your resistor, capacitor and wiring are not shorted and fit the space available.
  10. guykuo

    Modification SD49425XB-HNR 4MP, Add 12 Volt Microphone Power Output

    Here is the completed wiring to implement what I drew in the schematic overlay. Resistor and capacitor were positioned to fit avoid the very crowed space between board center and camera wire feed. Be sure to observe polarity of your electrolytic capacitor.
  11. guykuo

    Modification SD49425XB-HNR 4MP, Add 12 Volt Microphone Power Output

    We tap that power with a 480 ohm resistor to limit current draw. The other end of the resistor feeds power out what is normally the 12 volt DC input. Filtering is performed with a 100 uFd capacitor.
  12. guykuo

    Modification SD49425XB-HNR 4MP, Add 12 Volt Microphone Power Output

    The +12 volt power is still available on pin 8 of J2
  13. guykuo

    Modification SD49425XB-HNR 4MP, Add 12 Volt Microphone Power Output

    Microphone power output mod for a SD49425XB-HNR (running on POE+ power) to provide 12 volt microphone power. Much as I did for the SD49225T-HN, in Modification - SD49225T-HN Add External Microphone Power The resultant power out the DC input jack of about 25 ma powers a Microseven M7WP-MIC. The...
  14. guykuo

    Ubiquity EdgeRouter X - Configuring to Isolate Surveillance Networks

    192.168.93.82 is the source, not destination Also, might need to double check regular UPNP is not also active. delete service upnp commit save
  15. guykuo

    Ubiquity EdgeRouter X - Configuring to Isolate Surveillance Networks

    You correctly understand the config changes made re UPNP2. I'm surprised that one would also need the additional port rules, but you would put accept rules for those ports from eth3 in the restrict_LANs_In rules, right after the Prevent Access of Protected LANS rule.
  16. guykuo

    Ubiquity EdgeRouter X - Configuring to Isolate Surveillance Networks

    I don't have any gaming machines on my network. So, I can't test the following. Basically, you must enable UPNP2 if you are using multiple Xbox's. Simple port forwarding would work with a single machine, but apparently not multiple. BTW. Do not also have UPNP running simultaneously with UPNP2...
  17. guykuo

    Modification - SD49225T-HN Increase Upward Tilt Range

    Over two year follow-up. My upward tilt enhanced Dahua PTZ's are still working fine. This despite over two years of full exposure to cold and sun - with their entire bodies painted flat black.
  18. guykuo

    Bought a SD1A404XB-GNR on Andy's BlackFriday deals and can't seem to power up

    Minute or two... Yep. This model takes a much longer time to power up and begin motion range calibrations than any of my other Dahuas. The first one of these I purchased I thought was dead. Then I happened to leave power attached longer and it came to life.
  19. guykuo

    IPC-HFW5831E-Z5E - Focus reset on reboot

    Looking for some of my old posts. Should help get you started. Gotchas are the firmware version of your camera may require different format commands for the API commands. Also, digests vs name/password authentication can trip you up when beginning to use scripts...
  20. guykuo

    IPC-HFW5831E-Z5E - Focus reset on reboot

    You could run a periodic script to set the focus to your desired setting.
  21. guykuo

    Initialization Fails on Dahua PTZ SD49225T-HN. Factory reset pins?

    OK. Going to answer myself and maybe someone in the future can benefit. The procedure that worked for me to factory reset a SD49225T-HN's was to... 1. Open rear cover of camera (four screws). Watch out for the silica packs falling out. 2. Have camera already powered up. 3. Press and HOLD the...
  22. guykuo

    Initialization Fails on Dahua PTZ SD49225T-HN. Factory reset pins?

    Found a button inside the camera after removing back cover. Still have not gotten camera to actually reset. Frustratingly, searches for actual rest procedure using button comes up with dead ends. Typically someone asks and nobody answers. Of if user has apparently reset successfully, they never...
  23. guykuo

    Initialization Fails on Dahua PTZ SD49225T-HN. Factory reset pins?

    One of my long running, stable Dahua PTZ SD49225T-HN's (running firmware 2.800.0000000.4.R.R4.2510.9A.NR, Build Date: 2019-11-05) is acting up. It no longer recognizes my password and always brings up a Device Initialization dialog sequence when accessed. Unfortunately, despite multiple...
  24. guykuo

    Is Amazon Loryta Seller "e Secure" Andy?

    Yes, it's showing EmpireTech-Andy for me as well too. I think I know why EmpireTech-Andy is now showing up, but not previously. He must have just gotten availability again. When he didn't have any, the other seller was the only source and Amazon showed that other seller instead. You can still...
  25. guykuo

    Is Amazon Loryta Seller "e Secure" Andy?

    Ran into a different shop on Amazon selling Loryta camera on Amazon, but somehow I don't think this seller is Andy. Is "e Secure" also you? Otherwise, I'm staying away from this... https://www.amazon.com/gp/product/B082XX9LJ6
  26. guykuo

    Neowise on Dahua SD49225T-HN (2MP Starlight PTZ)

    Even more amazing to me is upon close examination of the Andromeda image, you can also see it picked up M32. It's one of the faint spots.
  27. guykuo

    Neowise on Dahua SD49225T-HN (2MP Starlight PTZ)

    Just for fun I, pointed one of my 2 MP Dahua Starlight PTZ at Neowise and Andromeda galaxy. Results were not bad with just a security camera. Comet in early morning shows up quite nicely. Andromeda galaxy was done at night. The galactic center is the bright, smudgey thing in the center...
  28. guykuo

    Smalest PTZ with Starlight for watching breeding kestrels

    Camera is + inside, - outside.
  29. guykuo

    Pandemic threat? Anyone else concerned?

    I want it to protect ME ---- exactly what I was alluding to. Valved masks protect only yourself and basically say "FU** YOU" to everyone else around you. We're currently dropping in number of patients in this wave. We'll see how things are 6 weeks from now, but it is nice to see things...
  30. guykuo

    Pandemic threat? Anyone else concerned?

    Valves on masks ---- the current equivalent of wearing a F**k You sign across your face
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