Renewable Energy Innovation

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This is where we post about the day-to-day life in the re-innovation workshop. We aim to highlight interesting ideas and projects, show the way we develop products and explain anything that we think might be useful to other people.
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A few weeks ago I headed down to rural France, near Toulouse to take part in a week-long Development Camp working on wind turbine measurement for the group Wind Empowerment.

About 10 people came from all parts of Europe, along with people joining via Skype from all parts of the world.

We discussed ideas and specifications and prototyped equipment for monitoring wind resource and remote monitoring and managing wind turbines.

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I've been designing a breakout board for the ACS758 hall-effect current sensor. The first few prototype boards came in and I decided to give them a quick test. The results were not quite as I expected so I thought I'd put write about them here, for others that might be using this IC.

These current sensors come in a number of ranges (50A,100A, 150A and 200A, all with uni and bi directional variants). They use the hall-effect, which measures the change in the magnetic field to measure current. This means you do not need to install a shunt resistor, with its associated power loss and voltage drop.

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I was asked to build a BIG LED display for a pedal powered cinema for a film group in Brussels (more about that in another post).

I found these huge displays from Embedded Adventures and had wanted an excuse to have a play with one of them for a while.

This is a post about getting the display working with an Arduino Uno.

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I was wanting to make an interesting lampshade as a specal Christmas present this year. I set about searching Instructables for inspiration.

I found a really interesting modular lampshade concept, which was originally designed by Holger Strøm in 1972 and called the IQlight.

This used a repeated unit which was cut out of polypropylene using a laser cutter.

 

 

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For the past week I have been at the 2nd Wind Empowerment conference in Athens.

Wind Empowerment is a network of groups working on Small Wind Turbines, with a particular focus on the Hugh Piggott designed wind turbine.

The conference was an inspiring mix of interesting presentations, hands-on workshops and social fun. Around 45 people from at least 10 countries attended.

Here are some notes and photos from the event.

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