Patrick Wang
Work is tough! Time to dream.
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The Resistor Calculator – My first app

By Pat On February 15, 2011 · Add Comment · In Android
After several months of sighs and cringes, I have released my first mobile platform app, and first Android app. The application is called Resistor Calculator and can be found on the Android marketplace for $0.99 https://market.android.com/details?id=com.pat8037.resistor It is very simple in functionality and general GUI, but for the task of identifying the resistance of a [...]
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Android : sdcard emulator and eclipse

By Pat On January 17, 2011 · Add Comment · In Android, how to
This post is going to be about how to implement a .iso image for use to simulate an sdcard when developing an Android application. The following link is what Android developer offers with how to emulate sd card. http://developer.android.com/guide/developing/tools/emulator.html#sdcard I got lost in it to honest… I’m working on Windows platform so for now, this [...]
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Augmented Reality with Processing and Maya.

By Pat On December 1, 2010 · 3 Comments · In Augmented Reality, Processing
Augment means to add to. Augmented reality would therefore mean “adding to reality”. With Processing and Maya, it is possible to add virtual objects to our realities and be seen with a digital viewfinder for example, a webcam or mobile phone. Processing is a java based programming IDE. It makes prototyping ideas a lot easier. [...]
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Charlieplexing on the Arduino. More bang for buck!

By Pat On October 25, 2010 · Add Comment · In arduino
I recently had to try and understand charlieplexing. After some fact finding, youtube videos and some algebra, I got it. I thought I’d link this video I watched on Youtube which I found very concise and covers half the leg work. So, after watching the video, here are some key points. Charlieplexing gives you more [...]
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Arduino Bluetooth on the cheap and easy!

By Pat On October 16, 2010 · Add Comment · In arduino
Price is a huge problem when trying to implement bluetooth onto an Arduino project. Firstly, is the price of a Arduino Bluetooth board. At $140ish USD and easily >$200AUD, it is definitely not cheap. Furthermore, it requires the use of screw terminals to power the device. Dangerous if not careful. So for much of my [...]
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Arduino bluetooth with temperature sensor send data to mobile phone

By Pat On October 7, 2010 · 7 Comments · In arduino, bushfire project, find out, honours
In the previous post, I had code to read a temperature sensor.  http://www.ph0t0n.com.au/arduino-bluetooth-with-temperature-sensor/ . The sensor was attached to an Arduino bluetooth board. Now, with the code below, we’ll have the temperature data sent to your mobile phone and your phone can now become ‘sensor’. As a bonus, when you press your number ’5′ key [...]
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Arduino bluetooth with temperature sensor

By Pat On October 6, 2010 · Add Comment · In arduino, bushfire project, find out, honours
Below is an alpha version of arduino bluetooth coupled with electronic brick shield. This application is for my findOut project. Currently the code only supports for a basic temperature sensor. There is code for a temperature/humidity sensor, 3 axis accelerometer, and 2 axis compass to be uploaded soon.  Here are some pictures as well. The [...]
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Bushfires, Arduino and a Mobile phone

By Pat On September 22, 2010 · Add Comment · In bushfire project, honours
For most of the year, I’ve been tinkering with Arduino and mobile phone application development. The premise is a bushfire. During a bushfire, communications can become difficult. Power lines fall, telecommunications disable, poor reception, etc. A lack of information is what is most deadly. Being able to identify position, direction the veracity of an impending  [...]
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