XPost: alt.comp.os.windows-10, alt.home.repair   
   From: robin_listas@es.invalid   
      
   On 2022-12-23 15:09, micky wrote:   
   > In alt.home.repair, on Mon, 19 Dec 2022 20:58:02 +0000, Graham J   
   >  wrote:   
   >   
   >> micky wrote:   
   >>> I wanted to get some waterproof/outdoor cameras that plugged into the   
   >>> PC, or maybe something that connected straight to the PC.   
   >>>   
   >>> But all I see for sale are cameras meant to clip to the monitor, not be   
   >>> screwed to the wall.   
   >>>   
   >>> Or if they are meant for outside, they are either wifi or they are meant   
   >>> to go to some sort of separate video recorder.   
   >>>   
   >>> Do they sell what I want?   
   >>   
   >> [snip]   
   >>   
   >> A camera using Ethernet would be ideal: it connects to your LAN so is   
   >> available from any computer.   
   >   
   > I only have a desktop and a laptop but still, that would be good.   
   >   
   >> A camera featuring Power over Ethernet   
   >> (PoE) would allow use of a single cable.   
   >   
   > But if I have 3 cameras, I will still need 3 cables??   But just one   
   > power injector??   
      
   One switch capable of PoE, which could be inside or outside. It needs a   
   power input, though. Inside you could use it as well for other things.   
      
   >   
   >> Ethernet allows a maximum   
   >> cable length of 100 metres, so far better than any USB connection.   
   >   
   > I only need 7 or 8 meters.  (Decided to put the cameras 8 feet high   
   > instead of 17 feet.)   
   >   
   > So I was thinking that USB would be good enough, but then.... I had in   
   > mind 3 cameras with a hub in a waterproof box outside, and only one USB   
   > cable entering the house.  Until I read that all three cameras have to   
   > share the same the same power that one USB port puts out.  If my USB   
   > ports have 0.5 amps, that leaves only 0.16 amp for each camera. Would   
   > that be enough?  Even close to enough?   
      
   You would need a powered hub.   
      
   ...   
      
      
   --   
   Cheers, Carlos.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)