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March 2, 2010

Tonight I got a bee in my bonnet again.. was curious to see how the arduino would fit on a lego plate (well, technically not quite reaal lego, but let’s pretend for a while), and how I’d go about breaking that out into usable lego chunks..

Again, rather than bore you to tears with the explicit details, I’ll let the pictures do (most of) the talking :

Arduino Duemilanove, mounted on a lego plate.

As you can see, there’s an extra mounting hole – I had started off mounting it to the bottom of the plate, but I think that was just a disaster – there’s not enough space on the plate to break out properly with my paperclip method and trying to hold the whole thing up with just the top studs (against gravity) is precarious at best.. So I decided to put it on top.

Here’s the bottom view, to show the mountings :

I then decided I’ll use some header pins and break that out into sections – Luckily I have a bunch of old serial ports with their connector cables that I could salvage 😀 (thanks to the guys at work donating me a bunch of old pc parts and stuff) :

If you’re sharp, you might notice the twisted red wire and the odd red wire in the next .. and if you’re an electronic engineer, you’ll probably also instantly guess that I’ve chosen the red wires on each set of connectors to go to ground.

Very handily (is that even a word?), there are 3 ground pins on the arduino, so perfect, since I’ve got 3 connectors out 😀

Here’s the finished product :

Now I just have to figure out how to connect those ends up to lego and break it in from there…. Any ideas?

From → Electronics

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