Questions tagged [enclosure]

An enclosure is a box to hold your electronic device.

29
votes
8answers
6k views

Moisture Trapped in IP66 Enclosure

I got a field report of a product which is sealed in an IP66 aluminum die cast body. it was observed that water/moisture had condensed inside the enclosure over and over and creating some white marks ...
21
votes
17answers
4k 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 ...
15
votes
2answers
2k views

Grounding PCB to enclosure

I am designing a small sensor which fits into a custom aluminum enclosure. The sensor uses CAN bus and a long cable to connect it to the host and power. The shield of the cable will ground the ...
11
votes
1answer
22k views

How to make whole top side of project box glow uniformly?

I have a transparent project box encasing my breadboard with an LED on it. I want to use this LED to make the whole top of the box glow uniformly. Does anyone have any ideas? I tried using soft ...
11
votes
4answers
1k views

Plastic enclosure for small product [closed]

I have a small hw product and I would like to find a plastic enclosure company that do small runs. Recommendations with experience please (i.e. not a simple Google Search result dump!)
11
votes
2answers
4k 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 ...
10
votes
6answers
571 views

Custom enclosures

I need to produce a small batch (less than 100) of custom enclosures, each made up of 5-6 pieces of plastic. I need surfaces to look smooth and hard (think the quality of a computer keyboard) and one ...
9
votes
3answers
1k views

PCB enclosure tolerances [closed]

I can imagine problems of PCBs not fitting into their enclosures or misaligned screw/hole pairs. Are these type of problems common, especially with the dirt cheap enclosures? I am planning to use one ...
9
votes
2answers
958 views

Does paint affect EMI ability of enclosure?

This could be a very stupid question, but when it comes to RF you never know. Does painting (non-conductive) over the top of a grounded metal enclosure affect its ability to absorb/block RF ...
8
votes
7answers
9k views

Cheap method to drill neat holes in plastic casing?

A good deal of projects I see have their inputs and outputs neatly aligned in to plastic enclosures. I wish to do the same, however, I do not own a drill or anything similar. What is a cheap but ...
8
votes
2answers
1k views

Designing electronics and their enclosures for the outdoors

I think the title captures it, but to expand upon this further. What are some of the best practices that you use to place electronics outdoors? Include what you do for the cases and mention issues ...
8
votes
2answers
11k views

How can I make an attractive enclosure for my circuit?

I have finished working on the circuit and firmware for my design of a MIDI controller. I'd now like to take it off the breadboard and put it inside some sort of enclosure. I can handle making the PCB,...
8
votes
1answer
168 views

Are these (dis)assembly screw symbols standardised?

Sometimes there are these two half-arrow symbols on PCBs and on enclosures. See the images, for examples. Those symbols are often placed near the screws, that are to be unscrewed upon disassembly. ...
7
votes
2answers
1k views

Electrostatic properties of plastic enclosures

I'm building a small project and have some electronic (IC) boards I would like to pack in a nice enclosure. I made an enclosure from PMMA (Acrylic) that looks nice but someone told me that it is not ...
6
votes
5answers
971 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 ...
6
votes
4answers
3k views

Standard enclosure sizes?

I am working on a project and have decided that I will design the PCB so that it fits a standard enclosure size, as was suggested here. All electronics websites sell some variety of enclosures, and ...
6
votes
7answers
10k 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 ...
6
votes
5answers
5k views

Do you need to UL Certified the enclosure with the board inside?

I want to use the RaspberryPI in an industrial environment that requires all devices have UL certification. The RaspberryPI board has UL certification but there is currently no enclosures that are ...
5
votes
4answers
2k views

How to fix a PCB inside this enclosure?

This is a related question to How to fix this in an enclosure without glueing. However, for a protoboard/PCB, how could I attach it to the enclosure? The bottom of the enclosure has holes for ...
5
votes
3answers
1k 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 ...
5
votes
5answers
6k views

DIN rail enclosure for a Arduino + Ethernet shield

I am looking for a way to put a Arduino with an Ethernet shield inside a DIN rail enclosure while exposing the RJ45 and a few screw terminals. Bare min: 55mm Width, 75mm length, 30mm height. Looks ...
5
votes
1answer
1k 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. ...
5
votes
1answer
187 views

Flat Yagi antenna Enclosure

So, I was annoyed that my Yagi antenna was enclosed in a plastic-tube, which lets it roll around and fall off the table occasionally, but without its enclosure the elements hooked in anywhere. So I ...
5
votes
1answer
123 views

How to mount pcb with IEC320-C14 power entry connector inside enclosure

I am making a PCB which has one IEC320-C14 and one IEC320-C13 connector on it (Like this one). The PCB will be quite small, just large enough for some sensing circuitry; between 5 and 8 square inches. ...
5
votes
1answer
976 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 ...
4
votes
4answers
639 views

What is the name of this common metal tubing?

I see tubing used all over the place in machines, but I do not know what it is called. The cross section looks somewhat like this drawn picture. Can someone clue me in on it?
4
votes
3answers
602 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
3answers
5k views

Determining Battery holder wiring?

I'm looking for a battery holder for 3-4 AA or AAA batteries in series (I'm targeting an output voltage of 4.5~6V). I found a variety of options on Mouser, but the ...
4
votes
2answers
2k views

Where might I find a prefabricated enclosure for a PCB?

I'm working on a small electronics project that includes a micro-controller and a few extra items soldered down to a PCB. This project will need to be contained in a nice chassis/enclosure that can be ...
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
2answers
168 views

What is the best way to mount a LiPo battery in a project box?

If you were going to use a LiPo battery such as this one: . . . and needed to mount it safely and securely inside a project box similar to what is pictured below what best way to achieve that?
4
votes
1answer
125 views

Grounding PCB Within Aluminum Enclosure

I have been doing some research on this question and, while I found a number of questions here asking something similar, I don't quite get the side-by-side comparison I am looking for. Therefore I ...
4
votes
1answer
598 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? ...
3
votes
3answers
2k views

Can a soapbox-sized device dissipate 10-15W of heat? If yes, how?

Some time ago, I built a soapbox-sized battery testing device. One of its functions was to discharge batteries at a specified current, and it handled most of the common battery sizes well, but its ...
3
votes
4answers
4k 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 ...
3
votes
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 ...
3
votes
4answers
3k views

Ideas for what to use as project enclosures/cases

I have seen myself working on a growing number of projects over the past few months. The one thing I have started to dislike is seeing the circuit board (and often my messy soldering) after I consider ...
3
votes
3answers
2k views

Thinest insulator between metal case and PCB?

For a miniature product, I want the smallest possible product enclosure around the PCB. I figure I can get away with a 1mm thick metal sheet enclosure. But I (probably) also need an insulator between ...
3
votes
4answers
587 views

Heat problems when using 5 buck/switching converters in a double isolated enclosure?

I want to use 5 step down converters (220 VAC -> 5V DC) inside an enclosure inside an enclosure (double isolation). The step down converters are similar to these. There will be 5 of them, where one ...
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 ...
3
votes
1answer
376 views

Custom Enclosure Design?

I have an odd sized PCB (about 0.8" x 14" x 5" ) that needs to be housed in data centers (rack mount.) It's a fairly expensive device so even though we won't have too many of them we're considering ...
3
votes
3answers
237 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 ...
3
votes
1answer
136 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 ...
3
votes
4answers
6k views

Using an arduino in below-freezing temperatures

I intend to use an Arduino in an environment with highly variable weather. It will be an outdoor project staying outside during the entire year with temperatures ranging from a maximum high of ...
3
votes
1answer
136 views

Manufacturing of Translucent LED Indicating Symbols (e.g. router indicator lights) [closed]

I've been researching how manufacturers create custom LED-illuminated symbols such as those seen on the router in the image below: I haven't been able to find any information online from custom ...
3
votes
1answer
160 views

Watertight enclosures - what production steps are required to ensure no condensation on the insides?

Background We want to waterproof an electronic device and the specifications call for IP-65 protection. To this end, we have selected a sealed polycarbonate box to put the electronics in. The ...
3
votes
0answers
858 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 ...
2
votes
2answers
568 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 ...
2
votes
4answers
883 views

Designing a strong electronics holder

For a yearly running event at our university we have developed a lap counting system relying on Bluetooth-chips passing by small embedded computers. The chips are these. To power them, we use 4 AA ...
2
votes
1answer
499 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 ...