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I had a customized version of this made for my Arduino Mega 2560 project. Includes Sparkfun MP3 and VeeAR EasyVR shields.
Excellent design overall, I'm quite happy with it.
The USB and power holes aren't quite tall enough in the design. I'll have to file those down a touch. No big deal, I need to drill a couple of holes anyway for my audio output port and microphone.
Thanks for the thing!
Very cool. Let me know how much larger the holes need to be, and in which direction, and I will modify the Thing so it fits future users...
The last picture in the photo set kind of shows the situation with the holes. Upwards for sure. I'll do my best to measure before & after and get back to you.
wow, looks like a few mm of 'up'! Looks like the 2560 has bigger connectors than my (older) Arduino's for sure!
Okay, so both the USB and power holes need to be no less than 2mm but no more than 3mm "taller" in the "upwards" direction. It looks like I shaved them both "up" just over 2mm, but I'm confident I didn't go over 3mm.
With the ~2mm that I shaved "up", the case closes comfortably with the Arduino Mega 2560 screwed down firmly to the stand-offs.
The stand-off positions are pretty much perfect from what I can tell, though I used only 4 of the 6 holes because 2 of them didn't provide enough clearance from the headers to get the screws I bought in there. 4-40 screws are what works, I think I got 3/8" long ones IIRC.
You could close down the sides of the power plug by 1mm each. Not necessary, just letting you know that there is just over 1mm on each side. Bottom positions on both as well as the sides on the USB are about as close as you're going to get 'em IMO.
I'm frustrated by the large connectors on this thing in general. This is supposed to be one of the newer generation of boards yet they used monstrous (and in the case of the USB defunct) connectors. My project to control a car computer required a boatload of Digital pins operating at 5V, so it was the Mega 2560 or nothing.
I hope that helps. Thanks again.