Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [cases]

This tag is for questions about cases to put your electronics in. Note that shopping questions are off-topic.

67 questions
38
votes
4 answers

Make a custom plastic case

I have worked on many electronic DIY projects like MIDIbox (http://www.ucapps.de/), it always was fun and working but at the end, the problem was that I ended with a cool gear, but in a poor casing, for example : wood very roughly cut (by…
Basj
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26
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7 answers

How do I open a rectangular hole on a metal case?

I'm working on a case design. There is rectangular switch. I am trying to open a rectangular hole on the metallic case to fix it in there. I'm not doing a good job, if it goes on like this it looks like I'm going to ruin the case at all. How do I…
hkBattousai
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17
votes
6 answers

Best way to cut mounting squares out of plastic project boxes?

My electronic kit-building to date has included pre-drilled kit boxes for mounting. My latest purchase, however, has a plastic project box, and no pre-made cutouts. I need a rectangular hole for a small LCD screen - and I don't want to mess it…
sdg
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9
votes
4 answers

State of the art of waterproofing

There is a new electronics waterproofing material / technique branded as Liquipel. Not much info is available, but supposedly it is a hydrophobic compound that is applied to the target electronic device by using vapor deposition in a vacuum while…
AlcubierreDrive
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8
votes
1 answer

What are good materials and associated tools for a robotics hacker?

What is good stuff to quickly build small hobby robots? What sorts of tools do I need to work with those materials? Let's assume we already have the electronics parts listed at "What is a general set of components for a robotics hacker?", and focus…
davidcary
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7
votes
1 answer

What sealing type for cable/tube enter casing for outdoor use?

I build an electronic device which is used outdoors. A bundle of cables enter the device in a small 30mm diameter tube. This tube should be sealed so no dust/water/moisture enters the casing. It should be possible to remove tube easily for…
Flovdis
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7
votes
10 answers

3d modelling software for case design

What software is generally used in industry to design cases for pcb boards?
stbtra
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6
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2 answers

Building a power supply for a Vic 20

I recently acquired an early model Vic 20 computer but don't have a power supply for it and thought I might be able to make one. The Vic 20 is the early model with the two pin AC connector - not the later model DIN plug. From what I've read it…
Brad Robinson
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5
votes
5 answers

Why is a caseless PC not an EMI problem?

As I understand it, the case of a PC is metal so that it can form an EMI enclosure around the electronic parts. My view is reinforced by there being conductive fingerstrips around the mating edges. This is a home built PC without any form of…
Paul Uszak
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5
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3 answers

Non-metal cases

This question is really aimed at computer cases, but I suppose it also applies to other PCB cases. Most of the Computer cases I come across are aluminium, or else some other metal; As I understand it this is because of the following properties: 1)…
Chris2048
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5
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4 answers

What are the square holes for in most electronic project boxes?

I'm new to the electronic scene and lately I been purchasing a lot of project boxes for the stuff I make, I've noticed in about 75% of the boxes I purchase they come with small square shaped holes on both the base and the lid, I assume these are for…
Simon Hayter
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5
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3 answers

Creating printed circuit boards (PCBs) which aren't flat

I would like to create a printed circuit board (PCB) which is not flat and which is not shaped into a square, but don't know how to proceed. Can Cadsoft Eagle create such a board? If so, how? What other software packages can be used to create boards…
user50559
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5
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3 answers

How to combine PC's power and HDD LEDs?

I'm going to buy a PC tower case that has only one LED intended to be used as the power LED, and no separate HDD LED is available. My intention is to have that single LED lit at about 50% of its intensity when the PC is turned on and there's no HDD…
dsimic
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4
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1 answer

How to affix graphic LCD to PCB?

I'd like to mount a small (2.5") graphic LCD or OLED display on a PCB. I believe it should look something like this: I've seen this done (links to pics) on my LM3S6965 development kit, on my TI Evalbot, and on this Sparkfun breakout board. All of…
Kevin Vermeer
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4
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2 answers

EMI/RFI emissions and computer cases

I have designed a computer case (enclosure) for mini-itx motherboards. Its bottom and rear are made out of 2mm thick aluminium and the sides and top out of 4mm plastic (ABS). I'd like some advice please on EMI/RFI emissions. I am thinking of making…
user18459
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