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Questions tagged [waterproof]

For questions about design and methods to protect electrical and electronic systems from water damage.

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For a disabled person's ring, how might a switch be added to the device that is waterproof and totally durable?

I have to cram a lot of electronics into a very, very tiny space. Microcontroller, battery, charging circuit, sensors, display, and an activation button into a ring on my finger. It's a device for ...
user30997's user avatar
  • 408
3 votes
2 answers
367 views

Prevent the connectors from being damaged by water infiltration

In my aquarium driven by an Arduino, I connected all the internal peripherals to the tank (such as lighting, flow sensors, thermometers, PH) with D-SUB, RCA and 3.5 mm stereo jack connectors. Do you ...
Pinguto's user avatar
  • 255
1 vote
1 answer
72 views

Easiest way to IP68 waterproof RJ45 cables/ports/splitting?

Consider the following simple daisy-chain arrangement: Protocol is MODBUS. Electrical standard is RS485. Cables also carry 12v DC power (Power over Ethernet) to the sensors. All cables are CAT5e ...
Noideas's user avatar
  • 109
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0 answers
58 views

Waterproofing microusb connection

I have a small plastic-bodied soundlevel meter which is entirely sealed with exception to a microUSB port that is used for both data and power. Despite the fact a microUSB connection is not ideal for ...
davegravy's user avatar
  • 439
5 votes
3 answers
875 views

Choosing waterproof or protected GPIO connectors [closed]

I am building a small device that, with the others, has several (at least 8) GPIOs and will be placed outside or, at best, in a possibly wet/humid environment. I am having a hard time finding a small ...
Federico Stango's user avatar
0 votes
1 answer
49 views

Cheap waterproof IP67+ connectors with 6 pins [closed]

I'm designing some instruments for cash strapped conservation projects. Usually I tend towards the expensive IP68 circular connectors but trying to minimise cost where possible. I'm going panel box to ...
josh's user avatar
  • 113
1 vote
1 answer
336 views

Is talcum powder electrically conductive?

I have a small board that I want to put outside, and for a poor-man's waterproofing I thought of putting the whole thing inside a basic party balloon. Cheap, convenient, effective, but does the ...
CaptainCodeman's user avatar
1 vote
1 answer
93 views

What are the safety and OSHA protocols involved in water in electrical switchyard?

Just saw a meme online: Is this safe? What could go wrong?
Nederealm's user avatar
  • 167
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0 answers
92 views

How to prevent water temperature and pH sensor corrosion in salt water

I am going to design an salt water monitoring system. Salt water will cause sensors to rust very fast. Any suggestion on how to prevent it? Any temperature and pH sensor suggest to use in the system?
GYNB's user avatar
  • 41
2 votes
1 answer
553 views

Waterproofing for submerged connections

I've seen this question. But that's aimed at connections that see rain/spray. I've got a 4-20mA sensor which I want to submerge in up to 35m of water. The sensor, unfortunately, comes with a 5m ...
Tom's user avatar
  • 356
0 votes
1 answer
148 views

How can I use 16mm 40kHz waterproof ultrasonic transducers to measure distance?

I have these 16mm 40kHz waterproof ultrasonic transducers:Manorshi MSW-A1640H12TR. I am wondering how to measure distance with these transducers. I desoldered the non-waterproof transducers from a US-...
Hari Krishna's user avatar
1 vote
1 answer
81 views

Small profile waterproof electrical connector/bulkhead

A friend and I are working on designing a power meter to affix to the crank arms on our bikes (similar to Stages, 4iiii, etc). The enclosure will house a small PCB connected to strain gauges, and we ...
d.slotcavage's user avatar
0 votes
2 answers
232 views

Make a cable go into a water container without any leaks

This might not be the best place to post this, so if I'm in the wrong, please let me know. I have a water container that I want to put a temperature probe into, but I can't drill a hole from the top ...
Spyro 999's user avatar
1 vote
1 answer
1k views

What is this cylindrical 4-pin connector called?

What is the connector — specifically the one on the left — called? UPDATE: Several folks below mentioned it might be a M16 4-Pin IP68 connector. There is a difference though between the shape of the ...
RudolphV's user avatar
0 votes
0 answers
172 views

Underwater distance measurement

I am working on a University project on ROV that needs an underwater distance measurement of about 50 cm min and 2 m max. I tried looking for sensors and came across jsn-sr04t but that doesn't seem to ...
Maaz Shahid's user avatar
2 votes
3 answers
156 views

Waterproof charging of LiPo

I found this thread: Wireless charging Lipo batteries My problem is slightly different. I have 2s Lipo that I need to charge (way less than 1c, overnight is fine.) The problem is that the casing needs ...
skatun's user avatar
  • 131
0 votes
1 answer
101 views

is a water inlet valve water resistive by design? [closed]

I cleaned a leaky washing machine water inlet valve with wd-40, pressurized water, pressrized air, drain opener(caustic soda+ sodium chloride), vinegar and alcohol and gave it a massage gun session ...
USER249's user avatar
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1 vote
1 answer
968 views

IP6X sealing of PCB push buttons

I am currently designing a product that needs to be waterproof (IP67.) The product also requires some user interaction - basically at least one push-button and one LED. For the LED I am using these ...
c3ntry's user avatar
  • 11
6 votes
4 answers
3k views

Is it possible for snow covering a car battery to drain the battery? [closed]

We had a snow/ice storm last night, and somehow the snow got into the engine area. Is it possible that the snow covering the battery was the case of draining the battery?
a coder's user avatar
  • 175
1 vote
1 answer
244 views

Small enclosure. Waterproof cable entry

Have a 5mm diameter cable entering a small enclosure. What's the best way to seal it? I was thinking neutral cure silicone. Are there better solutions? I know cable glands are a popular way of ...
Alex's user avatar
  • 101
1 vote
2 answers
513 views

Conformal coating health concerns

For my project i would like to waterproof (or at least moistureproof) a PCB. The PCB is to be used without housing and during operation/handling there will be some skin contact (mainly hands). Now i ...
Lukas's user avatar
  • 107
0 votes
0 answers
110 views

Running cables through drainage, what is the best cable to use?

I have a project where we have been provided with cable routing through the water drainage and will therefore need to be suitably protected from being submerged in water fairly frequently. What are ...
mrco's user avatar
  • 1
0 votes
1 answer
72 views

Will a string of 5W globe bulbs in patio survive the rain? [closed]

I have a string of 5W globe bulbs (G12) in patio. The bulbs are facing upwards. A few questions What will happen if: If I turn them on after it has rained and things are wet I turn them on during ...
greenberet123's user avatar
7 votes
2 answers
442 views

Why does my Vbe multiplier voltage oscillate when wet?

I've built a few Vbe multipliers as cheap temp sensors. I know there are better ways to sense temperature but I am not interested in accurate measurements, and my question is exclusively about a ...
Sredni Vashtar's user avatar
1 vote
0 answers
192 views

Reverse current protection

I design a wearable, battery-powered device with a watertight enclosure. It will have a waterproof USB connector for battery charging. Here is a schematic. J2 is the USB connector, MCP73831 is the ...
Denis Jelesniak's user avatar
1 vote
0 answers
152 views

Waterproof capacitive touch-sensor issue

my goal is to develop a waterproof capacitive touch-sensor. In many sources on the internet, it is said that a mutual-capacitance sensor can achieve this. For example, in the TI Designs: TIDM-1021 ...
Wheatley's user avatar
  • 690
0 votes
1 answer
73 views

Waterproofing a cat5e/6 repair

I have a 1200 foot long outdoor direct burial network cable running through an outdoor environment that ranges from dry to 6+ ft underwater depending on the year and season. (Currently it is a foot or ...
antgiant's user avatar
  • 103
0 votes
1 answer
129 views

What can I waterproof a car remote central locking fob circuit board with?

Apologies if this isn't on topic; let me know and I'll remove it. Having keyless fobs is quite wonderful, but it does seem easier to accidentally put the key through the laundry cycle because it ...
Caius Jard's user avatar
-1 votes
1 answer
43 views

Would submerging a 100% waterproof hotspot device increase network connectivity?

I have this portable hotspot device (9cm*6cm*1cm*) in which I insert a simcard and keep it within 10m when I am using it. Let us consider that it is water cannot damage it even if I submerge it. Would ...
user avatar
0 votes
2 answers
824 views

How to waterproof electronics for an underwater project?

I am building a project that has to do with underwater and I am having trouble waterproofing the electronic and the depth is about 15-20 feet. How will I assure that the electronic will be waterproof ...
Amjad Qushaysh's user avatar
0 votes
0 answers
87 views

Making waterproof LED circuit

If I am trying to make an led necklace with a few LEDs connected in parallel(each one separated by a little bit of wire) that connects back to a battery pack with 3 AAs, how can I make the necklace ...
Sam's user avatar
  • 101
0 votes
1 answer
108 views

What is this marine type water proof connector?

Does anyone know what this connector is by any chance?
Bob R's user avatar
  • 263
0 votes
2 answers
113 views

Wristband charging technique [closed]

I was wondering how waterproof wristbands are charging. I suppose is a common technique that all vendors are using. For example my wristband has two exposed leads as it seems below. The charger has ...
alexisicte's user avatar
0 votes
2 answers
187 views

Submersible electronics

I'm currently working on a hobby project that uses a MS5540C. It will basically measure the water depth and temperature. My general thinking was to encapsulate the whole thing (except the sensor) in ...
Chris Catignani's user avatar
1 vote
1 answer
172 views

Create circuit for 12v auto washer pump to 230v mains with push button for art installation

I am creating an interactive art installation in a gallery context using a 12 volts car headlight/windshield washer pump. It basically is a fluid washer pump taken outside of a car into a gallery, ...
startupsequence's user avatar
0 votes
1 answer
127 views

Are there round header pins?

I am attempting to get two probes through a sealed case to detect the pH of a fluid like water. My thought was to get two header pins and seal them with a custom 2mm diameter seal. However it looks ...
Ryan B.'s user avatar
0 votes
1 answer
158 views

Ultrasonic module Water proof vs non-water proof types

Ranging SR04 Ultrasonic modules are available as water proof and non-water types. In the water proof types SR04 modules there is only 1 sensor while in the non-water proof types SR04 there are 2 ...
alt-rose's user avatar
  • 1,479
0 votes
1 answer
126 views

Ingress protection(IP Code) at connectors

What does the IP code exactly describe when applied at bulkhead receptacles? The ability to seal the conductors inside of the connector from the environment or the ability to seal the enclosure from ...
Dennis Ernst's user avatar
0 votes
2 answers
204 views

Waterproofing products

Does anyone know of a product that can be used for waterproofing electronics and exposed wiring that is suitable for submersion for potentially long periods? More specifically, I am looking for a way ...
Angus's user avatar
  • 1
2 votes
1 answer
91 views

Identify this packaging

I've seen this packaging used by many companies, specifically in mobile equipment, automotive ECU's, marine, and other harsh environment applications. I doubt all these manufactures are making the ...
DrTarr's user avatar
  • 295
0 votes
1 answer
99 views

Water sensing circuit?

I was learning about GFCI and wanted to know if there was any easy way to create a simple circuit to detect when there is water. What I would like to do is make a LED turn on if a component (whether ...
F16Falcon's user avatar
  • 292
0 votes
3 answers
193 views

I designed a touch PCB keypad what can I do for silking and covering

I want to design a custom keypad for my board. I put my board in a Plastic box 15cm x 19cm and the box has a simple box door. I want to put a keypad and a 2x16 character LCD in this door to control ...
david's user avatar
  • 103
0 votes
2 answers
729 views

Which components for flat waterproof buttons controller

I'm trying to build a waterproof controller to mount on a motorcycle, to interact with a Raspberry PI Zero. I'm looking for the best way to build something flat (it has to be mounted on the handlebar),...
GCannizzaro's user avatar
1 vote
1 answer
702 views

Waterproofing MLX90640 far infrared thermal sensor

I would like to use the MLX90640 far infrared thermal sensor array on a car as a "night vision" camera. Since glass blocks thermal radiation I have to install it outside the cabin. Is it possible to ...
Kozuch's user avatar
  • 481
3 votes
1 answer
376 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 ...
anrieff's user avatar
  • 5,469
3 votes
3 answers
736 views

Potting microSD card inserted in slot with epoxy resin

I would like to know whether it is possible to completely cover/pot a microSD card inserted in a slot (which is soldered on a pcb) with an epoxy resin. Will the sd card continue working properly? Will ...
Kozuch's user avatar
  • 481
0 votes
0 answers
81 views

Waterproof PCB pump driving stage

We are having issues with a small 12V DC pump which is used in a number of test systems in the field. The pump is powered by a standard DC power supply and integrates a small PCB driving stage, with ...
Francesco's user avatar
  • 1,025
2 votes
3 answers
454 views

How can electronic devices remain waterproof (no short circuits) while they have exposed charging connectors

I am a happy owner of a Garmin Fenix3 fitness watch and a developer for watch faces as well. I noticed my watch charges and communicates data through 4 pins (probably for the USB layout 0,VCC, Data+, ...
kokobill's user avatar
  • 135
3 votes
4 answers
1k views

Waterproofing a temperature sensor

I'm working with an LMT85 temperature sensor. I want it to be waterproof, since it will be working submerged in water. I'm thinking of using hot glue on the connections and then using a heat shrink ...
AntonioBorges's user avatar
1 vote
1 answer
2k views

Conformal Coating PC Parts?

I couldn't find any topics relating specifically to this sort of thing, and even tried asking folks over on Reddit at /r/buildapc, but I didn't get many responses or many people know if it would be ...
user94959's user avatar
  • 113