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New Tools In My Home Office: More Webcams!

Faced with this tweet by Randi Harper my head rang with the sound of “More Cowbell!” Although in this case the memory of the old SNL skit skews to more webcams! Her tweet shared an Amazon offer of the Logitech C920 for just $59.99, where it normally sells for $89.99.

Webcam Grouping

A C920 has been my primary webcam for the past year or more. I’ve been considering the purchase of a second. Given the sale pricing I could not resist. In fact, I ordered three different webcams, and to my surprise the Amazon order placed on Thursday, arrived on Sunday. That’s our first experience with their Sunday delivery.

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Our DoorBot has Been Decommissioned: Part 3

DoorBot-Looking-Left.jpgFor the several weeks we’ve had the new “Extended Range” Doorbot installed in place of the original device. The only apparent difference between the two is the addition of a short external antenna to enhance the Wifi connectivity.

Happily, the new unit does seem to stay better connected to our WLAN. In the past I was not comfortable evaluating the behavior of the Doorbot+client application given the questionable connectivity. At present the network connection seems sufficient to examine the behavior of the system as a whole.

I have the DoorBot client application installed on a variety of devices:

  • Nexus 4 Android mobile phone (Me)
  • Nexus 5 Android mobile phone  (Mrs)
  • Nexus 7 Tablet (2013)
  • 4th generation iPod Touch
  • iPad with Retina display

The fact that I’m using so many devices may be a little unusual, but I would expect that many families will use 2-3 devices, most likely a couple of cell phones (his & hers) and a tablet. Although a family with kids may well have more than this.

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Capturing The Video Output Of A Nexus 7 Tablet

DoorBot-in-Nexus5There are times when it would be handy to capture the video output of an Android device. This is typically what I need when writing something about an app that does something dynamic. For example, AudioTool by J.J. Bunn. As a tool for simple audio test & measurement capturing its output in real-time is the ideal way to communicate the measurement being taken. A static screen shot is fast & easy to accomplish, but video can be much more illuminating.

Both my Nexus 4 and Nexus 7 (2013) support the use of a Slimport USB-to-HDMI adapter to connect to a monitor. The output of that adapter is 1080p60. The BlackMagic Design Intensity Pro HDMI capture card that I’ve used for the past couple of years can capture streams up to 1080i60, but not 1080p60.

Quite recently I swapped out the Intensity Pro for an AVerMedia Game Broadcaster HD. This card has the ability to capture a 1080p60 stream. In so doing it drops every second frame to actually save a 1080p30 stream to disk.

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David, Goliath and WebRTC

Lenovo X-1-Carbon Frontal-GotoMeetingFreeThe WebRTC movement is certainly gathering steam. World+Dog are now running along side that train, hoping to jump on and play with all the cool kids. It’s a fast moving train. Late comers may have a tough time getting on-board. When they do get aboard they may find that the best seats are already taken.

This opinion arises from a stream of chatter surrounding larger companies that are starting to play in WebRTC space. While it’s nice to see larger players starting to engage, I have a difficulty getting enthused about what they’ve actually done.

For example, Citrix having launched into beta a free video chat application under its GotoMeeting brand. I was a GotoMeeting user from their earliest days. I argued with my employer about the value that was to be found in the $49/mo they asked for the service. He initially balked at $600/yr, but eventually succumb when it became evident that I could save considerable travel expense by leveraging remote access for ad hoc customer support. Some years later that company actually adopted GotoAssist, which is an outstanding service.

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Our DoorBot Has Been Decommissioned: Part 2 – How Fi is Our Wi?

PowerAP-N & DoorBotThe problem with using a less than common Wifi AP is that a manufacturer can say, “we’ve never heard of that make/model”  and hope that they are thus absolved of any possible requirement to help troubleshoot the situation.  Not that the crew at DoorBot took that stance, but I’ve heard it plenty in prior situations.

It recently occurred to me that there was a way that I could confirm the state of our Wifi at the gate location where we had the DoorBot installed. I could stage a video call over Wifi using tools that I already had on-hand. If I could record a decent quality video call from a Wifi connected mobile device that location then it would prove that our Wi is way-Fi!

Staging this proved to be pretty simple. I pointed my Nexus 7 tablet at the school yard across the street, then established a video call using Talky.io. Talky.io is a free WebRTC-based service from &yet. It runs just fine in Chrome for Android.

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