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Old 11-10-2016, 12:06 AM   #1
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Post Need a custom casing for my project

Hi, I need experts advice on the packaging of my new project on Arduino platform. I am a little bit confused about those plastic casing and metallic casing. I found that using metallic/sheet metal/aluminum casings can prevent external interference to the system , but also need proper grounding for such systems.
This project is having 2 Arduino boards
gsm module, Gps module, battery, LCD display.
I am looking for a casing with a minimum form factor so that I can place it on the dashboard of my truck. I had provided some attachments of the modules used in this work. I appreciate any comments on this matter. Forgive me if this post is under the wrong session.
regards
~bor
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Old 11-10-2016, 12:07 AM   #2
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I am using ribbon wires and single strand wires for interconnection.
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Old 11-10-2016, 01:35 AM   #3
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B-Nabs, splatz and MikeFL like this.
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Old 11-10-2016, 03:33 AM   #4
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https://www.simcobox.com/News-and-Ar...tic-cases.html

http://www8.basf.us//PLASTICSWEB/dis...01a5e1801499d2

https://www.polycase.com/

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Old 11-10-2016, 05:34 AM   #5
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Didn't have any luck on the Arduino forum?

Ive made a few projects that fit into a T101 timeclock enclosure. They are surprisingly well made, outdoor rated, and lockable.
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Old 11-10-2016, 11:50 PM   #6
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Default all of these are plastic casing


Thank you Larmguy, I checked that PDF guide and sites, all of them are about injection molding and Plastic casing. I am looking for a casing which is durable. I need to fit it on the dashboard of my truck(F 150)
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Old 11-11-2016, 12:16 AM   #7
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http://www.bayviewmetals.com/metal-fabrication/ I found this sheet metal fabricator from Toronto. If I got with such a metallic casing I need to use an external SMA GPS antenna.
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Old 11-11-2016, 05:32 AM   #8
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There is probably an alarm can that will work for you, they are made to house a battery and circuit board or boards.

If you insist on a metal box, you will need a short SMA coax jumper and SMA bulkhead connector to mount the antenna externally.
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Old 11-11-2016, 08:20 AM   #9
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i would use a small lithium pack instead of old acid battery
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Old 11-11-2016, 08:21 AM   #10
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just go do digikey, mouser or newark websites, the have different size of housings. you have quit a big battery, can you redesign to use a smaller battery and possible connect it to the 12V supply of your vehicle?
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Old 11-18-2016, 12:44 AM   #11
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Quote:
Originally Posted by oliquir View Post
i would use a small lithium pack instead of old acid battery
Thanks for the suggestion , I will go with acid-acid as it has long backup than a li-ion. I know going with a li-ion can save great space.


Quote:
Originally Posted by tceek View Post
just go do digikey, mouser or newark websites, the have different size of housings. you have quit a big battery, can you redesign to use a smaller battery and possible connect it to the 12V supply of your vehicle?
hmm, that is also a good option, I think I can do that, a li-ion as a secondary source and 12 V as mains . That is an awesome idea.
I am planning it like this I will try to regulate the input power using LM 7805. Hope that can reduce the size the whole circuit and I need to change the layout of PCB (for power )

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Old 11-18-2016, 11:32 AM   #12
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use a switching lm7805, you will save a lot of power like this one
with a 12v input a regular 7805 will have about 40% efficiency
this one will have 93%

http://www.digikey.com/product-detai...202-ND/4930586
there are other brand cheaper also
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