Software Examples
Welcome to my Software Examples page!

Scroll Animation
All software examples can be downloaded by right-clicking then using "Save target as..." - scroll down to see various downloads.

The code and designs are copyright of Redford-Tech Limited. They are freely licenced for non-commercial use (you can't sell them!).

Redford-Tech Limited and the author, Simon Redford, have provided these examples to show how various applications may be programmed - there may be better or simpler ways of coding some of these examples and they may or may not behave the way I intended them to in some different environments.
Scroll Visualisation


The original set of examples relate to animation of a Scroll Expander from work around the development of Organic Rankine Cycle micro-CHP products. Originally programmed in VB.NET (Microsoft Studio) to help explain how scroll expanders (and compressors) work, I recently re-wrote the animation for Java/Netbeans environment and also revived an MS Excel demo - all available below - FREE! I may add to these over time - please check back.

The intention in providing these examples is to help you get going quickly in GUI environments. I found that after getting through the basics of time control and creating smooth animations, it's easier to then expand your knowledge from the plethora of advice available from searches and on-line videos. Each of the four Java/Netbeans examples leading to the scroll simulation are described in Youtube videos.
Scroll Visualisation


Please note that if you want to run the runtime only (.jar) files, you may need to install a Java Runtime Environment if one is not already installed on your computer. The Java Runtime Environment can be downloaded from here

I hope they work for you - have fun!
Java SE 1.8 + Netbeans IDE 8.2 developed on 64-bit laptop running Windows 10
Stop Watch Example (StopWatch):

Animation Example (AnnieMate):

Analogue Clock Example (Clock):

Nixie Tube Clock (NixieApp):

Scroll Expander Example (ScrollSimulation):
See screen-shot above

Scroll Visualisation (ScrollOrbit)
This App animates actual scroll images
See screen-shots above

Notes (pdf files):
Project Zip file

Project Zip file

Project Zip file



Project Zip file


Project Zip file



Simple Timer Loop note

Graphic Screen note

Basic Trigonometry note
Runtime (.jar file)

Runtime (.jar file)

Runtime (.jar file)

Runtime (.jar file)

Runtime (.jar file)


Runtime (.jar file)
Nixie Clock
Analogue Clock
Coming soon... VB.net and other versions of the above and more

Try this 'taster' Analogue Clock runtime written in VB .NET

Or how about this Excel program (needs macros enabled) to view Scroll Simulation in an Excel graph - you may need to change security settings to run this and some aspects may benefit from further development over time.

Excel Scroll sheet
Arduino Sketches for Logging Mains Electricity Consumption

Arduino Logo
A set of Arduino Sketches for long-term half-hourly monitoring and recording of mains electricity profiles saved to SD cards. Three different methods are presented:
  • Measuring current with a CT and voltage with a VT for true power

  • Monitoring Utility meter LED pulse outputs

  • Monitoring Utility meter Volt-Free pulse contacts
The sketch code to setup the Arduino Real-Time Clock, Serial Numbers and SD Card write, to test that the setup is correct (right time etc.), and the three sketches for the different logging techniques are presented - all are listed and can be downloaded as zip files. Additional equipment required is also listed with links to further information. Click on images to go to the Arduino Logging page.
Analysis Example