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Sydney PC User Group Incorporated
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WEEKLY SIG MEETING UPDATE  13 - 18 JANUARY 2014


1st Floor
Sydney Mechanics'
School of Arts
280 Pitt Street, Sydney
http://www.sydneypc.com

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UPCOMING SIGs
20 - 25 January 2014
  • Tuesdays Seniors SIG
  • Digital Photography SIG

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Hello and Welcome,
 
Details of next week's meetings are below.
 
Tuesday 14 January - Programming - N Hoffman - 5:30pm - 8:30pm
At the December meeting Darwin demonstrated a method of making PCBs using a photosensitive silkscreen. The design is printed by a laser printer on to the 200 mesh screen material and then flashed with a bright light from Xenon tubes, dissolving the screen under the design. Acrylic paint is then squeegeed through the silkscreen on to the copper, and when it is dry the surrounding copper can be etched away. The screen can be washed clean by water and reused many times.   

Johnny showed pictures of the setup he is using to test an electric motor prototype at the UNSW. The motor is a 550w Permanent Magnet Synchronous Motor intended for electric cars. His tests simulated various conditions and generated a power and torque vs speed graph. He also discussed some of the issues that arise in manufacturing various motors of this type.

Andrew spoke about the real time calendar clock in the PIC24. He uses the 8 bit register to adjust the rate of the clock and so improve the accuracy of time measurement.
Members of the group will demonstrate some new microprocessor applications and programming examples at Tuesday's meeting.       Neville Hoffman
 
Saturday 18 January - Web Design - S South - 12:30pm - 3:30pm
Our first meeting this year and we will conclude our discussions and planning for projects and websites we could create this year. So if you have some ideas or content you would like to see on a site, bring it along.

Continuing our look at the basics we will have an in-depth look at some videos on basic web design and a new program called Rapid CSS. The program is available on the DVD from the latest PC Authority Magazine February edition. Itís a 30 day trail and if you register you get a registration key. The program appears not just to write CSS but HTML and it will add JavaScript, php, asp and ruby content to your page.

If we have time we will take a look at the basics of JavaScript, why it is used and how to include it in a website.                                                        Steve South
 
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John Mathews

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Please note that all Meetings, except where specifically stated, are held on the
1st Floor, Sydney Mechanics' School of Arts, 280 Pitt Street, Sydney.
 
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