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Arduino Solar Tracker PDF Print E-mail
Written by Dave Auld   
Monday, 27 September 2010 00:11


This article gives a very simple introduction into writing a differential gap controller on the Arduino platform. I have used a Duemilanove for this example.

This project consists of two inputs which track light levels on the East/West which are then used to move a servo, rotating East/West tracking the strongest light level.

The crude prototype in all its glory......the surplus MSDN discs have found a use at last;


Hardware LightTracker


Last Updated on Monday, 27 September 2010 00:25
CPRepWatcher Chrome Extension PDF Print E-mail
Written by Dave Auld   
Saturday, 11 September 2010 06:18

CPRepWatcher is a Google Chrome Extension which scrapes and presents a CodeProject members reputation points in a popup.

cp_rep_points cp_rep_graph


The extension was developed as more of a learning exercise into;

  • Creating Chrome Extensions
  • JQuery
  • JQueryUI

The link for the Extension Distribution  as well as a full write up on the development,  and a copy of the source code is available on The CodeProject;




Last Updated on Friday, 08 October 2010 18:55
Solar Hot Water Project - Introduction PDF Print E-mail
Written by Dave Auld   
Saturday, 29 August 2009 10:50


Having owned my current house since 1998, I couldn't help but notice over the years, how much sunshine the slightly off South front roof receives. Even when the sun is not out and it is overcast, the slates on the roof get warm to the touch, and when the sun does come out, they can become too hot to touch.


I decided it was time to invest in a little renewable energy, in an attempt to a) cut my gas bills and b) do my little bit for the environment.


My first adventure into renewables was therefore born - Solar Hot Water.


Last Updated on Wednesday, 09 September 2009 21:32

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