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 ›
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 ›
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 ›
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 ›
This week sees the completion of another mobile site.
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 ›
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 ›
Yet another OpenSCAD model. This time its a replacement knob for a camp stove.
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 ›
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 ›
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
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 ›
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 ›
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 ›
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. See https://itunes.apple.com/au/app/sun-position-explorer/id600320388?mt=8
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 ›
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 ›
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 ›
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.
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 ›
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 ›
My latest App, called Personal Wiki is now in the iTunes App Store https://itunes.apple.com/app/personal-wiki/id574995802?mt=8
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 ›
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 ›
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 ›
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, 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
I’m proud to announce that I have been invited to become a moderator on the Sparrow framework forum.