T-Shirts: 555 Timer Negative Feedback Fluxgate Condenser

Dave wires up an Arduino (Freetronics Eleven) to control his video camera via a learning IR remote control matrix keypad. NOTE: this is NOT an optimised solution, nor a tutorial on the best way to do this, it’s a quick rudimentary hack while showing a few traps. This was the …

I hadn’t heard of an Ignite Talk before my mate Roger told me he was thinking of giving a talk on our autonomous canyon navigating quadcopter idea at the upcoming Ignite Sydney event. Then he suggested I might want to submit a talk topic too, ranting as I do for a …

Dave explains the three main methods of Uninterruptible Power Supply design – Offline, Online, and Line Interactive. And then opens an APC 2200XL rack mount UPS to see how well it matches the classic block diagram theory. Will there be any surprises? Schematic HERE Patent: Method and apparatus for providing …

Dave drops by the Australian RoboWars 2013 competition. Podcast: Download