Arduino Pro housing in aluminum

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By Collin Cunningham
Posted 2009/08/31 @ 7:17 am
Category Arduino

Flickr member kc6qhp created this impressive enclosure for an Arduino Pro -

I made this housing for an Arduino Pro that will control my waveguide relay in my 47 GHz radio. This housing is made from 6061 billet aluminum. The cover is held on with a dozen 0-80 screws. There i a cutout for the programming connection and a filtered DC feedthrough. Later I will add other connectors for the servo and transmit/receive switch, etc.Â

Sturdy! – more pics on Flickr.

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3 Responses to Arduino Pro housing in aluminum

anachrocomputer on August 31st, 2009 at 10:46 am said:

Not only sturdy, but also screened against all that high-intensity 47GHz microwave radiation that the thing generates. That’s probably the reason why there are so many screws holding the lid down, to maintain good RF-tight grounding all the way around the lid.

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- Tony on August 31st, 2009 at 11:13 am said:
  
  Actually the 47 GHz signals are very well contained in waveguide and are of relatively low power, so the Arduino is safe from EMI. The reverse is of more concern though, noise from the Arduino getting into the 47 GHz by means of modulating the power supply voltage. The housing might help a little, but the filtered DC feed through will probably take care of it. To really isolate the Arduino I would also have to shield the servo control cable and servo motor itself. The good news is that everything else in the radio is in boxes like this with even better shielding.
  
  -Tony KC6QHP
  
  Reply ↓
mightyohm on August 31st, 2009 at 12:39 pm said:

Nice work as usual, Tony!

What made you decide to use a cutout for the Arduino interface pins instead of a shielded connector?

How do you plan to get other signals in/out of the box?

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