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GIMP: Removing Noise from Digital Photos
I shot some low light photography at the youth group Halloween dance using a Casio Exilim point-n-shoot, and some of the photos had digital noise, or grain (as we called it in the days of film). I...
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Wireshark and BACnet MS/TP
I wrote an article about Analyzing BACnet with Wireshark for ASHRAE Journal special supplement BACnet Today. ASHRAE is very particular about endorsing specific company products, and removed some...
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AVR ISP mkII on Ubuntu Hardy
I created a BACnet Development Kit, compiled the open source BACnet Protocol Stack hosted on SourceForge.net firmware using gcc-avr, and attempted to load the firmware onto the kit using an Atmel AVR...
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I refurbished a couple of PCs for my family to use, and installed the latest Ubuntu Linux on them – Ubuntu 9.04 Jaunty. I also updated my dual boot work computer with the latest Ubuntu – it was...
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BACnet and Software Patents
I attended the BACnet Committee and working group meetings in November, 2009, in Atlanta, Georgia. During the MS/TP working group meeting, it was disclosed that KMC had applied for a patent which...
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BACnet Meeting in Albuquerque
I attended the recent BACnet meetings in Albuquerque, and in the process, learned to spell the city name! I participated in the Lighting Applications working group, the Objects and Services working...
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Wireshark on Ubuntu not as root
I often need to capture BACnet network traffic using Wireshark while I am running Ubuntu Linux. I’ve always had to run Wireshark as root (usually via gksu or kdesu) in order to capture from any...
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Cloudshark – Wireshark in the Cloud
A post on the Wireshark developers mailing list showed up at the beginning of December, 2010, about the Cloudshark.org website. Cloudshark is a website that allows you to view Wireshark captures...
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BACnet Meetings and Embedded Systems Conference
I had BACnet meetings the week of May 2, 2011, in San Francisco. It also happened that the Embedded Systems Conference was the same week in San Jose. I perused my BACnet meeting schedule, and found...
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BACnet Bill
I received the news yesterday that my friend, Bill Swan, died after a sudden illness. I had just seen Bill at the interim BACnet meetings in San Francisco at the beginning of May, 2011. A week later...
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BACnet Leader of the Pack Awards
BACnet International presented its annual “Leaders of the Pack” program to recognize the achievements of individuals and companies involved in the BACnet community. The Award Ceremony took place during...
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BACnet Meeting and Plugfest in Atlanta
I went to the BACnet meetings in Atlanta in October, 2011. A couple of weeks later in November, 2011, I went to the BACnet Plugfest in Atlanta. Lots of fun! The Lighting Applications working group met...
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BACnet Committee Meets in San Francisco
Our BACnet committee and working groups met in San Francisco in May, 2012. It was fun to see friends, enjoy some cool weather, and eat some good food in a big city. Next door to Pacific Gas and...
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BACnet Committee Meets in San Antonio
Carl Neilson is the incoming Chairman of the BACnet committee. Our BACnet committee and working groups met in San Antonio in June, 2012. The Riverwalkwas an interesting place to walk and find some...
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AVR Dragon JTAG on Ubuntu Precise
I have a BACnet Development Kit which uses the example firmware compiled from the open source BACnet Protocol Stack hosted on SourceForge.net using gcc-avr. I attempted to load the firmware onto the...
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BACnet: The Global Standard for Building Automation and Control Networks
My friend and BACnet colleague, Mike Newman, the father of BACnet, recently finished writing a book about BACnet. BACnet: The Global Standard for Building Automation and Control Networks, was recently...
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BACnet MS/TP and Automatic Addressing
A recent query on the BACnet-L mailing list reminded me that I should probably post an update to my previous article about BACnet and Software Patents in 2009. In the previous article, I lamented...
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Raspberry PiFace
I have been using a Raspberry Pi for various things since it was invented. It is a great little low cost computer. We recently celebrated Pi Day (3/14/15) here in the USA. Our local Science Center...
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A Photographer Story
A few days ago I went into a local used record & book store, and stumbled across a vinyl album that reminded me of a photo story. Here is the cover of the album from the band AD: The band toured...
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BACnet MS/TP Wireshark Live Capture
Wireshark 2.0 brought some new features, including extcap. Extcap allows an external application to capture packets and move them into Wireshark via a pipe. It is the perfect feature for serial...
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