Educational app
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I have recently been developing an educational language app for the Victorian School of Languages, Australia. The app – available for download in the iTunes store is an activity based language learning tool suitable for ages 6 and up.

Porting OneWire to Arduino STM32
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Onewire devices are commonly used with the Arduino, including the excellent DS18x20 thermometer. Unfortunately the OneWire library accesses the micro-controller GPIO hardware directly. This appears to be in order to meet the bus timings when using 16Mhz AVR devices. The … Read More

Wiki for Arduino STM32 etc
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Because the thread on the Arduino forum is now huge, 50 + pages; by popular demand I’ve added a wiki to the GitHub repo which over time should help new users over the initial hurdles See https://github.com/rogerclarkmelbourne/Arduino_STM32/wiki Support for the … Read More

Updates to Arduino_STM32 code
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Over the last 2 or 3 weeks, I’ve made a lot of changes to the code on GitHub (https://github.com/rogerclarkmelbourne/Arduino_STM32 ) The main addition has been SPI, which generally conforms to the Arduino 1.0.x API, and I have successfully compiled and … Read More

Uploading to the Maple Mini via Serial to USB
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Since my last post, my Maple mini clones have arrives and I was able to test whether it was possible to upload via USB to serial. Initially I found that this could be done, but that it only worked intermittently. … Read More

Mobile website for Sanity.com.au
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This week sees the completion of another mobile site.

STM32F103 and Maple / Maple Mini with Arduino 1.5.x IDE
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By popular request on the Arduino forum, I’m posting a quick tutorial on how to use a generic / unbranded STM32F103 board I bought from an eBay supplier with the Arduino 1.5.x IDE.   Before I start, I need to … Read More

STM32 boards on eBay with Arduino in their description
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Just a quick posting about some STM32F1XX  based boards which seem to popped up recently on eBay, with Arduino in their description   The fist one I noticed was this one   TM32F103C8T6 ARM STM32 Minimum System Development Board   … Read More

OpenSCAD and STL files for camp stove knob
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Yet another OpenSCAD model. This time its a replacement knob for a camp stove.

OpenSCAD design for power meter enclosure
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I recently bought a AC Power meter module from eBay,  (if the item is no longer listed on eBay, try searching on eBay for “AC264V30A”), but the module is designed to be panel mounted and doesn’t have a back, hence … Read More

Adjustable angle lamp bracket for IKEA TERTIAL lamp
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Just thought I’d share the STL and OpenSCAD files for an adjustable angle, lamp bracket for the IKEA Tertial lamp, that I designed and 3D printed for use on a angled drawing board.   Lamp Clamp SCAD file Lamp Clamp … Read More

LTSpice Model of AC mains zero crossing detector
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As part of an Arduino based AC mains dimmer controller, I’ve been investigating and modelling various zero crossing detectors, and I created an LT Spice model of this circuit which I found here

Setup MK808 (Android 4.2) for development on Windows 7 (also probably works on XP)
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Just thought I’d post how I managed to setup my Android MK808 for development. Downloaded and installed latest ADK from Google Downloaded and installed latest JRE On MK808In settingsIn Developer options select “USB debugging” (note this setting will be remembered … Read More

Updating firmware on USBASP bought from eBay
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I bought a cheap USBASP clone Atmel programmer from eBay a few weeks ago, to use with the Arduino IDE. (see images below) The board worked ok, but kept giving errors avrdude: warning: cannot set sck period. please check for … Read More

Visual Studio 2012 C# x86 console application
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Just a quick post to help anyone else in the same situation… I needed to write a simple console application in C# (to receive serial data and save it to a file), but found that when I copied the application … Read More

Initial impressions of Adobe’s “CreateJS Toolkit”
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I spent several hours today looking at Adobe’s new Flash -> HTML5 converter called “CreateJS Toolkit” (see http://www.adobe.com/au/products/flash/flash-to-html5.html ) The premise is that Flash content, (graphics, animation and sound) can be exported for use with the CreateJS suite of open-source … Read More

Solar Position Explorer app now available in the App Store
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Solar Position Explorer app now available in the App Store. See https://itunes.apple.com/au/app/sun-position-explorer/id600320388?mt=8  

Personal Wiki with HTML Export has been approved into the App Store.
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The new version of Personal Wiki which includes HTML Export has been approved into the App Store. https://itunes.apple.com/us/app/personal-wiki/id574995802?mt=8 This release also includes some bug fixes and enhancements. Page should correctly scroll to location of first tap as keyboard is opened … Read More

Solar Position Explorer app – awaiting App Store Approval.
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My latest education all. Sun Position Explorer has been submitted to Apple and will hopefully be in the App Store later next week. The app initially just displays a “daylight” map of the world, showing day and night time areas, … Read More

JSON data list for www.bom.gov.au
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I needed weather observation data from the Australian Bureau of Meteorology for an App I’m currently working on. Although the BOM provides observation data for all stations in JSON format, they don’t provide a list of JSON pages etc. So … Read More

Dashed Line Sprite for Cocos2d-html5
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I noticed a request on the cocos2d-html5 forum for a “dashed line” drawing class, so I wrote this class based on code posted to stackoverflow.

Traffic Control game source now on GitHub
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I’ve now uploaded the source code for my first cocos2d-HTML5 game “Traffic Control” to GitHub. https://github.com/synergie7/cocos2d-HTML5-traffic-control   As cocos2d-HTML5 is changing all the time, I’ve included cocos2d-HTML5 as a sub project so that the correct version can be downloaded with … Read More

Traffic Control game in Cocos2D-HTML5
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Over the last week I’ve been evaluating Cocos2D-HTML5 as a general HTML5 development framework and I find the best way to do an evaluation is to attempt to actually build something. So here is my first Cocos2D-HTML5 game. Click Here … Read More

WebStorm by JetBrains
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I downloaded the 30 day evaluation version of WebStorm by JetBrains they other day from the JetBrains website  and I’m exceedingly impressed by its features and ease of use. Its made debugging Javascript a breeze using the Firefox extension which … Read More

Personal Wiki – App now in the iTunes App Store
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My latest App, called Personal Wiki is now in the iTunes App Store https://itunes.apple.com/app/personal-wiki/id574995802?mt=8

Arduino – Ethercard – Web Scraping – Example 2
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As a follow up to my previous posting on web scraping using the Ethercard library for Arduino, I’ve written an example of how to retrieve data from a page which doesn’t contain a unique marker pattern (text) before the text … Read More

Arduino – Ethercard – Web Scraping – Example 1
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I’ve been working on an Arduino based project to retrieve the local weather conditions from various online resources. This has many applications including automated warning systems. I’ve now written an Arduino sketch which retrieves specific text strings from the Weather.com … Read More

Arduino – Ethercard – Multiple browser request example
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I’ve recently been looking at the Ethercard library that allows the use of low cost enc28j60 based Ethernet modules with the Arduino. I noticed on the jeelabs forum that there was some confusion about the asynchronous nature of the callback … Read More

Cartoon Story App (viewer for iPad)
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My first iOS (iPad) app, originally published in 2011 has now been republished to my private apple developer account. Its totally free and can be downloaded from the App Store https://itunes.apple.com/app/id549707612

SpellMania AU – republished under my private developer account
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SpellMania  AU, a spelling game app for iPad and iPhone, has been republished into my personal developer account on the iTunes App Store, and is now totally free. Download now from the iTunes store at https://itunes.apple.com/us/app/spellmania-au/id551206299?mt=8

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