Stephen Hobley

Catering of the Daleks

November 28, 2010

I took a short trip up north yesterday to the Chicago TARDIS convention. I was there to help out my Dalek building buddy Dave Duca who had been asked to give a presentation on, err… Dalek building. As well as moral support I took along the top half of my DIY Dalek, mainly with a […]

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C# SDK for AR Drone now available

November 28, 2010
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We got the OK from Parrot a couple of days ago to release the source code for the C# .Net ARDrone API . It can be downloaded from here. Big thanks to Thomas and Julien for all their help with this project – there’s no way I could have finished it without them. Note : […]

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Now there’s no excuse – the one tool you should own…

November 27, 2010
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I get a few people asking me what the best way is to learn electronics. For me nothing is better than actually doing electronics and seeing all the stuff happen right in front of you. Perhaps the most useful tool I own is a tiny USB oscilloscope I bought years ago from Measurement Computing. An […]

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How to stop your inventions from blowing up…

November 26, 2010
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The first test you perform when switching something on is the “smoke test” – literally you are seeing if anything produces (magic) smoke when you apply power. This is the most costly moment in any project as a simple solder bridge can cause those $10 MOSFETs to fry and set you back a week in […]

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Download Windows control application for the AR Drone

November 24, 2010
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I recently asked Parrot if it would be OK to release a binary version of our AR Drone Windows control application. …and they said yes it would. So while we’re all waiting for the license on the SDK to be sorted out – here’s the control app. Built in release mode – you might have […]

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First look at the AR Drone SDK for Windows

November 21, 2010
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As some of you know, Thomas Endres, Julien Vinel and myself have been working on a .Net SDK for the Parrot AR Drone quadcopter. We were planning on doing a release last week, but Parrot asked us to wait until they had revised their license to include the creation of “3rd Party” (that’s us) development […]

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Mining stuff from an old TV – Flyback Driver

November 21, 2010

In my (now) continuing series on making stuff out of an old TV I wanted to show you next step I took. Having tested the driver I made in an earlier post with a 12v battery it became apparent that I needed to create a much higher DC power source. Luckily I had a variable […]

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Still no news from Parrot on releasing ARDrone.Net

November 19, 2010
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I was hoping to hear back from Parrot in France regarding the release of our .Net SDK for the AR Drone. We were all set to make a release last week, but at the 11th hour we received an email from Parrot asking us to wait until they had created a new license structure to […]

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Upgraded the 12v DC Tesla Coil to 24v

November 19, 2010

I upgraded the 12v Tesla coil to run at 24v – performance is now dramatically improved. If I get the OK from Skori I can publish the PCB mask and component list – nearly all the parts came from Mouser and Jameco. Here is Skori’s original Hungarian page translated into English via Google Translate. The […]

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20,000 volt DC power supply from an old TV

November 12, 2010

As a follow up to the recent post about extracting components from an old TV, here is a short clip showing what I made from them : This was shot at 12:30am so apologies if I sound a little bit “out of it”. This is a simple 15Khz pulsed DC driver for a TV flyback […]

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