Questions tagged [enclosure]

An enclosure is a box to hold your electronic device.

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2
votes
1answer
82 views

5.8GHz omnidirectional antenna inside wood

If one would enclose 5.8GHz transmitting omnidirectional antenna inside dry wooden block (wood would be cut to semi-precisely fit the antenna), how much it would attenuate the signal? (roughly) And ...
0
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0answers
33 views

A question about a sensor in a metallic enclosure

I need to mount this sensor inside an aluminum or metallic enclosure. Then the sensor will stay inside the enclosure. The enclosure will be mounted outdoors on a bridge concrete or some part I dont ...
0
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4answers
161 views

Mounting a sensor against the inside of an enclosure

I have a plastic ABS project enclosure which I'm trying to figure out how to mount a sensor to the inside of, against a window that will be placed into the enclosure wall so that it looks through the ...
0
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1answer
185 views

DIY EMC Tents for EMC/RFI testing?

Been looking into doing from preliminary work on EMC testing in house prior to sending various bits of machinery to certification labs. One suggestion is that we carry out the testing in an EMC tent ...
1
vote
1answer
450 views

Grounding an Enclosure

I have been working on a hi-fi audio amplifier, and I plan to put it in a metal enclosure when it is finished. The amplifier is (relatively) low power, so I'm powering the system from a wall-wart ...
2
votes
1answer
598 views

Temperature sensor reads higher inside enclosure

I have an HIH6130 temperature and humidity sensor inside a plastic enclosure with a Particle Photon. When it takes reading while inside the enclosure, the readings are ~ 2 degrees too high, vs ...
0
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3answers
151 views

How do I make my electrical enclosure waterproof, what type of connectors I use?

We are designing this meter which will monitor house hold consumption. The problem that I am facing right now for days and weeks now, how do I make the meter water proof. I have tried everything but ...
2
votes
2answers
774 views

What metal-printing methods exist to create this style of finish? [closed]

I have an old panel faceplate (circa 2000) that I am trying to create a replacement for. It appears that the two commonly available methods to put graphics on a metal faceplate are UV printing and ...
21
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17answers
5k views

How to 'fix' this in an enclosure without glueing?

I have an enclosure, and want to fix/put a STM32 inside, a relay and probably later a small circuit board. However, the STM (STM32F103C8T6) and the relay do not have holes to fix them... and I do not ...
0
votes
1answer
877 views

Will a cheap RFID reader work behind a 2mm aluminium sheet?

I'm building a information contact panel that will serve as a point of communication between employees and their company. Part of this process involves putting an ID card to the panel, so it can be '...
0
votes
1answer
247 views

Grounding a soldering iron and it's enclosure

So, I assembled a soldering iron kit and put the control unit in an aluminum enclosure and intend to use a Mean Well SP-240 24V power supply with it. I just wanted to verify a couple of things. The ...
3
votes
1answer
234 views

Tactile switches to meet EMC standards and IP67

I'm designing a handheld device that has just a few buttons that will make some configuration changes. (Very much like a game controller) I'm currently making a set of 3 prototypes - a production run ...
0
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1answer
61 views

What converter to use?

I am going to build a stage box, and I need 5V for that (to add some logic, maybe even later an STM32). I also need mains (220V) for a 12W RGBW LED PAR light. At first I thought to put in the box a '...
0
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0answers
344 views

Connecting multiple series battery holder in parallel of 18650 batteries

I'm pretty new to this, i understand how series and parallel work. Just want to ask if it's safe to connect multiple series battery holder in order for them to be parallel? If my battery are all the ...
6
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5answers
1k views

Motor enclosure top lid has electric spring

I fear this might be a little bit too simple for this Stack but I'll still ask. I dismantled a motor from an electric meat slicer of the very old type: When I opened the enclosure I found that the ...
0
votes
1answer
80 views

Modifying power strip in enclosure to attach to power entry connector

We are using an off-the-shelf power strip to distribute power to several devices in a large aluminum, painted Hammond brand enclosure. We'd like to be able to switch the power on and off with an ...
1
vote
1answer
278 views

Heat problems for STM32F103C8T6 in enclosure

For my hobby project, I'm intending to add a STM32F103C8T6 (and later STM32F407VET6 or ZET6) into an enclosure. For worst case case, let's take the 407, the datasheet can be found here. On page 80, ...
0
votes
1answer
215 views

vibration dampening comparison [closed]

I am trying to mitigate between costs, ease of mounting, of enclosure matching and costs for a smallish PCB (< 100 g / 4 oz and about 35 x 50 mm / 1.5 x 2 in) used inside a passenger car. And so ...
1
vote
2answers
1k views

Grounding without Ground

My system use only line and neutral connection from mains (no ground.) Inside this system it is converted to 5V using SMPS. My enclosure is metal, I need to ground this enclosure. Since I do not ...
3
votes
3answers
328 views

Shielding Amplification Stages Separately

I am currently designing a prototyping board for fast pulse detection with 4 amplification stages at the input. I am currently not able to provide a schematic portion of it as I don't have access to ...
2
votes
1answer
773 views

Metal enclosure for custom car stereo project

I'm thinking about developing a custom car stereo, and it surprised me that there's no DIY enclosures for this purpose. I've just found plastic boxes in the 1 DIN size which can be installed into an ...
0
votes
2answers
71 views

battery enclosures - i am not geting the hang of it [closed]

I find it so hard to search for some casings for my board... Why are the battery casings so rare ? I must be missing something. Other questions Will this case fit 2 AAA batteries ? how do I ...
3
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0answers
1k views

Tactile switch actuator extension methods?

I am not a 100% sure this is the right place to ask this, but I couldn't figure out another, more appropriate community. I am designing a PCB for a product, which will have a tactile switch. The PCB ...
4
votes
1answer
925 views

Acrylic mounting and esd

I like the aesthetic of clear acrylic mounting of PCBs and I want to use it for a project I'm working on. For example as seen in the Mighty Ohm Geiger Counter, Is esd something I should worry about? ...
1
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0answers
79 views

Closed enclosure thermal design the right way

I have a circuit board that works quite well (processor, screen, power supply). It has been tested successfully for an open aluminium enclosure, but now it will need to fit a rugged 100% closed box. ...
5
votes
3answers
2k views

How can I safely use an aluminium enclosure without an earthed socket

For a mains-supplied circuit I want to use an aluminium case, so the case can act as a heat sink. However, I want it to be safe, also when there's no earth connection in the socket where the circuit ...
1
vote
2answers
97 views

Help in identifing these 2 materials

i would like to know if anyone of you recognize these 2 materials and what they are used for ? A material sticky on one side normal on the other , used between capacitors and aluminum enclosure . A ...
4
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3answers
1k views

How to mount the PCB in a watertight die cast aluminium enclosure?

I would like to know how to secure the PCB into a watertight die cast aluminium enclosure that has no visible mounting posts. There are plenty of those on the Hammond website, and I don't understand ...
2
votes
1answer
1k views

how to drill anti-rotation holes in enclosures?

I am wondering how those holes with a flat for connectors are opened in enclosures. I'd like to know how do to it when prototyping world and in production for aluminum and in plastic.
3
votes
3answers
2k views

Cooling an outdoor electronics enclosure

I built an outdoor enclosure which contains electronic devices (cable modem, router, battery backup, MCU, etc) for a long-distance internet connection. The enclosure is made of insulated metal panels ...
0
votes
2answers
87 views

Large Battery Cell mounting in Enclosure

I am trying to figure out the best way to mount a battery like this (http://www.batteryspace.com/polymerli-ionmodule37v10000mah37wh85arate-prewiredwithpcbpl9059156.aspx) onto a 8" x 6" PCB. There do ...
5
votes
1answer
2k views

Making aluminium conductive for an RF shield enclosure

I'm not sure if it's appropriate to ask here, but I would assume many people in electronics would have experience with this. I'm enclosing an RF sensitive PCB into an sealed aluminium enclosure. ...
0
votes
1answer
93 views

enclosure fabrication resources for the upscale hobbysist [closed]

I recently saw a beautifully made 1RU 8Ch microphone pre-amp that was in a beautiful enclosure with a very pro looking faceplate and so on. The engineer wouldn't share who made it for semi-obvious ...
0
votes
2answers
740 views

What is a suitable material to cover photo voltaic panels?

I'm building a small, portable, modular solar panel array to charge 5V power banks, phones, etc. I got most of the electronics down, the Step-Up converter, by-pass diodes, blocking diodes, as well as ...
1
vote
0answers
73 views

EMC shielded box with transparent window?

Is there such a thing? I would like to put my board in a box to isolate it from radiated emissions externally and also limit emissions from the board to the outside. I would also like a transparent ...
2
votes
0answers
113 views

Will enclosing a brushed DC motor significantly reduce it's lifetime?

I designed a 3D printable LEGO-compatible enclosure for an inexpensive brushed DC motor. The intended use is outdoor holiday decoration, so I fully enclosed the motor to weatherproof it. LEGO ...
1
vote
1answer
140 views

If my electronics are outdoors in a ventillated NEMA 4 enclosure, should I conformal coat my circuit boards?

I'm considering putting a circuit board in a ventilated NEMA 4 enclosure outdoors. I'm a little concerned about humidity and condensation inside the enclosure. Do I need to conformal coat my circuit ...
4
votes
3answers
2k views

Are plastic enclosures safe for hobby mains voltage projects?

This may seem an obvious /silly question, but bear with me because I want you to consider it from a pragmatic view point. I have a fledgling project that will be mains powered and fit in a space ...
4
votes
3answers
605 views

What tests should I perform before I claim my enclosure is Type 1?

I've seen varying definitions of "type 1" enclosure, and most of them are informal. I've also heard it informally explained that I should be able to drop a screw into the top of the unit and not have ...
4
votes
4answers
6k views

Is there a standard for maximum torque that should be used to fasten PCBs to an enclosure?

I am looking for a standard or guideline which describes how much torque should be used to fasten a PCB to an enclosure using different types of fasteners. For example, we use M3 hex nuts in a ...
0
votes
1answer
114 views

What are methods used to cool a small residential enclosure (cabinet)?

I have a cabinet in which I intend on putting the following: A server A switch A MODEM Other AV equipment The cabinet is probably 30 cubic feet in volume. It doesn't have slots for ventilation - it ...
5
votes
1answer
1k views

Waterproof enclosures

I have a simple farm gate monitor which I'd like to put in a rugged waterproof enclosure to keep it dry enough to operate outside for approximately ten years with no maintenance other than the ...
1
vote
1answer
487 views

Bluetooth Modules in a plastic enclosure

I would like to implement a bluetooth functionality in my project, preferably using STMicroelectronics SPBT2632C1A.AT2, with a protective enclosure. But I read from multiple sources that bluetooth ...
0
votes
3answers
904 views

Enclosing/Casing Design for electronics (electronic eng. vs industrial designer)

I have been wondering, this since i dont have that much experience in product design, but, who is supposed to do the case design of an electronic product? the industrial engineer or the electronic ...
11
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2answers
5k views

Why are some mounting holes connected to ground?

Why are plated mounting holes connected to ground ? I read that if you are connecting your board to chassis ground, then it should be connected at only one point and connecting say 4 mounting holes ...
6
votes
7answers
11k views

Creating a waterproof project enclosure

I recently got an otterbox drybox for my phone. I was sitting and thinking that its waterproof, crushproof, and big enough to fit what I need as well protective foam. I realized this would make an ...
0
votes
1answer
1k views

How to install an embedded GPS patch antenna

How should I install an embedded GPS antenna? Here is the antenna in question: the antenna http://www.robotshop.com/media/catalog/product/cache/7/image/800x800/9df78eab33525d08d6e5fb8d27136e95/s/e/...
0
votes
1answer
124 views

Covering exposed contacts on a toggle switch

I need to mount a mini toggle or rocker switch to the outside surface of a box. For various reasons I cannot drill a hole, so the entire switch needs to be freestanding or glued to the surface. (There ...
2
votes
2answers
2k views

Light- and vapor-tight enclosure entry [closed]

I am trying to find a way to install a component in an aluminum box. This component comprises a rectangular unit measuring about 80mm by 100mm and a power supply of similar dimensions joined by a 5mm ...
2
votes
1answer
492 views

EMC Design of Aluminium Enclosures

When designing Aluminium enclosures (rack mounted units), I've previously used an Iridite NCP finish to ensure electrical conductivity between panels (i.e. no oxide). Does anyone have any papers or ...