Tuesday, August 24, 2010

$1 Billion DIY Video Surveillance Camera Market



These guys are predicting a $1 Billion market for DIY network cameras by 2012. That works out to about 10 million cameras per year, if you assume the cameras cost about $100 each.

Gosh, sure would be nice if someone built a cloud based service that would leverage all those cameras. Wait, that's what sensr.net is about.

Got a network camera? Try sensr.net. We provide sharing, archiving, and alerting for your network camera. We support almost any brand of network camera. As long as the camera has FTP, it will work with our cloud based service.

Monday, August 9, 2010

Configuring the Cisco WVC80N on Sensr

[Note: an updated version of this blog with more details can be found on the sensr.net blog.]

I recently found the Cisco WVC80N for sale at Best Buy. I was visiting my relatives in the Midwest and hoping to buy a camera that I could configure for them with sensr.net. To use network cameras with Sensr, you need one that supports FTP. I was disappointed to find that FTP was not listed on the side of the box. Since this was the only network camera they had, and the store was closing in 10 minutes, I did a quick search from my iPhone and found this FAQ, indicating that indeed the camera will support FTP.


I went ahead and bought the camera. It was a bit pricey at $150 but I figured that if it didn't work, I could return it the next day. Best Buy has a pretty decent return policy. In this case that worked in their favor, as I'm sure it does many times.

As with many of these network cameras, the setup software only works on Windows. If you have a Mac or Linux, you'll have to forgo the software install, which in my opinion is probably a good thing. There is no reason you should need to install software on your PC to setup or use a network camera.

So a couple of things I learned. First, by default, the camera will grab an IP address over the ethernet using DHCP. This is pretty standard. The trick with these cameras is to find the IP address that your router gives out. The above mentioned FAQ also says the default IP is 192.168.1.100. This is NOT the case if your network has DHCP, which is probably the case. I found the IP address by looking at the clients table on the home network's router.

The second thing I learned was that the camera doesn't support timed FTP. This means you can't simply have the camera FTP images every second, which is the way I like to setup cameras on sensr.net. As a work around, I turned on Motion Detection for the camera and told it to FTP the images to sensr.net. I then set the motion detection level as sensitive as possible. Unfortunately to set the overall sensitivity, you need to use Internet Explorer, since that configuration is set using an Active X control. Yuck!


The advantage of having Sensr, rather than the camera, do the motion detection, is that the live views are much more interesting. If your camera only sends images to Sensr when there is motion, the Live Preview links from the sensr.net site won't be very interesting.

Sensr does support camera based motion detection. Basically this means motion detection on the sensr.net site is turned off, and we'll assume every image coming from your camera should be saved. (We still have limits on the number of images we'll save, currently 600 per hour.)

Overall I would not recommend the WVC80N. My main gripes are:
  • Lack of timed FTP uploads
  • Active X is required for the web configuration
  • Too expensive
You would be better off buying the Dlink DCS-920 which works well with Sensr and is considerably cheaper.