Author Archives: Brian Gallimore

Bryson – Wolf to Bear Crossover

Bryson’s den had their crossover ceremony last night.  They graduated from wolf cub scouts to bears.

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IDEC PLCs and HMIs

While the info is fresh in my mind, I thought I’d make a few notes from the 3-day training class on IDEC PLCs and HMIs. In General: Excellent hardware quality compact size low cost software is inexpensive (free with purchase … Continue reading

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Use Linear Regression to Find Slope of Many Datapoints

Here is the implementation of a program that analyses several days worth of data coming from a sensor that might change a tiny amount over that time.  We were interested in how much of a change over time occurred, so … Continue reading

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The Remnant

Ever wonder why Ron Paul would get up and give the same speech everywhere he went, no matter the audience?  Why he didn’t waver from his central message of individual liberty?  I think it was because he had a different … Continue reading

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Current Time as a Fraction of Current Year

I had the need to represent time as a fraction of a year, so I came up with this little program to do the conversion for me.  (using in Redlion Crimson 3)

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Undocumented Secrets of Integrating BACnet MSTP

After too many hours of struggling though trial and error, packet sniffing, and lots of various materials found on the Internet, I have uncovered a few very important secrets that were not readily apparent in the official vendor documentation I had … Continue reading

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Water Flowing around the Gallimore House

Due to all the rain and melting snow, we have water pooling and flowing in areas I’ve never seen water at before.  Here are a two videos of the streams surrounding us right now.

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Build Your Own Non-Linear Response

It is common to control the speed of a pump based on a sensor reading.  But what if you want the pump speed to change at a different rate at different parts of the sensor range?  If the response isn’t … Continue reading

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Calculating the Volume of Irregular-Shaped Tanks

This is a quick demo and code listing I used to calculate the volume of a tank that is a combination of box, cylinder, and sphere shapes.  The controller is a Red Lion G3 Graphite.

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First Impressions of a RedLion Graphite HMI

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