For questions about design and methods to protect electrical and electronic systems from water damage.
Questions tagged [waterproof]
112 questions
26
votes
4 answers
Can silicone sealant be used to insulate and waterproof electronic components?
Well, can it, when it is in direct contact with the components and circuitry?

slashmais
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16
votes
5 answers
Waterproofing outdoor wiring
I have a small 12v aquarium pump (submersible), and I'd like to hook it up to a small solar panel and put it in an outside pond. This would mean cutting some leads and soldering. Pretty simple job. For inside work, I would usually just put some…

naught101
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14
votes
3 answers
About waterproofing a circuit board
I would like to waterproof an FR4 circuit board that has no external connectivity requirements other than permanently attached USB cable, but it does have a number of SMD LEDs that must show. Most significant other components are an TSSOP20 MSP430…

Aashima A
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13
votes
4 answers
How to package a sensor watertight in a DIY environment?
I need to measure the temperature in a terrarium and use that as an input to a temperature controller. The terrarium is quite humid, e.g. above 80%. Also the packaging should have minimal thermal mass, in order not to hinder the temperature…

Vorac
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9
votes
2 answers
Are credits cards water proof?
I have a non-magnetic(aka card with chip) credit card. I had the classic accident where it took a quick bath in the washing machine. :)
Some questions came in mind immediately:
- Are they water proof?
- Lets say I try it and works. What are the…

py_script
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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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8
votes
8 answers
Coating a Lilypad in resin
Has anyone got an example of coating a Lilypad or some other electronics in resin to make them waterproof.
I'm wanting to make something that is really resilient -> Being lazy i want to be able to chuck it in the washing machine...hand washing is…

mad_z
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7
votes
2 answers
Will 4 layer PCB isolate inner layers from moisture?
I've never done a 4 layer board and am not familiar with the process of manufacture for them. Will the external layers isolate inner layers from water if say, I will be putting the board into water for long periods (months) of time?

miceuz
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7
votes
3 answers
Toy with non-waterproof battery box: is this an issue? What will happen?
There is a toy that is intended to be used in water. However, we found out that the battery box (holds 2 AAA's) is not water tight and water leaks into it. Is this an issue? I know that water is conductive.
So, essentially when water leaks in, the…

milesmeow
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7
votes
2 answers
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 strange behavior (oscillating/irregular voltage…

Sredni Vashtar
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6
votes
4 answers
Is it possible for snow covering a car battery to drain the battery?
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
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6
votes
7 answers
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 amazing project enclosure...
My only problem is that…

Konner Rasmussen
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5
votes
1 answer
NeverWet: Appropriate for electronics?
The NeverWet superhydrophobic spray is becoming available to consumers.
Are materials like this suitable for protecting circuit boards that may be exposed to…

Mark Harrison
- 10,419
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5
votes
2 answers
Solar powered water fountain
I am planning of building a solar water fountain which would serve as a bird bath in my backyard this summer.
My requirements are simple:
The fountain should be powered by solar energy, a small output motor (or whatever) connected to this solar…

Raj Pawan Gumdal
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