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Category: Elkhorn Creek

Repair the Elkhorn Creek Water Level Sensor

Summary As many of you have noticed, www.elkhorn-creek.org has been offline for quite a while (actually since December
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RS Components & the Elkhorn Creek

Summary Earlier this year I hosted RS Components at my house in Kentucky.  Here are three videos that
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The Creek: Creek Server 1.2

In the previous post, I talked about two problems that I had discovered in my system.  I addressed
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The Creek: Web Pages with Java Server Pages (JSP)

The last piece in the Elkhorn Creek IOT puzzle are the webpages that let you view the creek
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The Creek: Creek Server 1.1

The last few weeks I have been building up the java programs that form the “back office” part
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The Creek: Flood Event Web Page

In the previous post I talked about scanning through the Elkhorn Creek MySql database and finding flood events.
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The Creek: Flood Event Data Processor

In the previous post I talked about using JFreeChart to create a plot of the last 8 hours.
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The Creek: Create the Chart with JFreeChart

It is almost always better to see data in a plot than as raw values.  I knew that
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The Creek: Install Tomcat

Apache Tomcat is a web server that allows you to create dynamic web pages using “Java Server Pages”
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The Creek: Collect Data (Part 2)

In the last post I went through all of the setup work for the I2CDB program.  Now I
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The Creek: Collect Data (Part 1)

In The Creek: Server Architecture I described a program called “runI2C” which is a shell script that is
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The Creek: Install MySQL

As I described in the Creek Software Architecture, I am using MySql as the database to hold all
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The Creek: Install the Raspberry PI Software

Years ago, when I did the first install of a Raspberry Pi (RPi), this whole thing was quite
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The Creek: Server Software Architecture

In the previous Elkhorn Creek posts I discussed the overall system architecture, the design of the Creek Board,
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The Creek: Testing the Bootloader

In the previous posts I described the main application firmware and the bootloader firmware.  In this post I
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