For questions about design and methods to protect electrical and electronic systems from water damage.
7
votes
3answers
204 views
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 ...
2
votes
0answers
61 views
Wireless water level sensor, in sump. Installation best-practices for longivity
My wireless water-level sensor is working fine, and when deployed in the sump-well, it is giving me periodic readings quite well. At this stage, I have the circuit still on a breadboard, and now plan ...
6
votes
2answers
258 views
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 ...
6
votes
3answers
274 views
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 ...
10
votes
1answer
221 views
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 ...
1
vote
3answers
324 views
Are there existing electronic sensors that can sense if underwater or not?
My goal is to to be able to read the water level percent in a small water tank. I was thinking wiring sensors going up the side that read whether they are currently touching water. My plan is to wire ...
6
votes
3answers
281 views
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. ...
4
votes
2answers
291 views
Are sealed lead acid batteries water-resistant?
I am going on a climbing trip in the Canadian Rockies for 20 days starting this weekend. I am bringing a 12volt 7Ah SLA battery that I am going to use to charge my GPS, iPod, Camera, and Sat Phone.
...
7
votes
3answers
2k views
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?
2
votes
3answers
451 views
Can a device be damaged by water even if there is no power supplied?
For example, say I submerged a computer mouse entirely. Assuming that I ensured that all traces of the water were gone, would the device suffer any issues?
It is my understanding currently that ...
1
vote
2answers
1k views
What waterproof temperature sensor do I need to measure water temp using an arduino mega?
I consider myself a complete novice when it comes to electronics. My current project consists of measuring water temperature using an arduino mega. What parts will I need to complete this project? ...
-2
votes
5answers
511 views
Building a waterproof and cheap proximity detector
I'm new to electronics, so I would like to directions for building an effective proximity sensor.
Requirements:
Must detect objects within 10-50cm.
Waterproof.
It may be exposed to sunlight.
...
4
votes
2answers
224 views
What are some cheap, reliable methods of water-proofing switches and buttons?
I'm working on a project to put together a custom bike light from some LED flashers and a battery pack. I'm looking at two different options, one which comes with a built-in switch, and another where ...
2
votes
2answers
262 views
Is the (PVC) sheath of a consumer grade USB cable waterproof?
We are building a marine instrument that will operate at up to 30m depth in sea water. Part of the design requires that the middle part of a USB type cable is exposed to seawater.
Most electronics ...
1
vote
2answers
271 views
Water overflow pail detector
I am looking for a "water overflow pail detector".
It basically will make some sound (e.g. beeping) when the water in a pail was about to overflow.
The detector must also be water-proof otherwise ...
3
votes
1answer
290 views
Circuit wanted to run 12VDC LEDs from Low Voltage landscape circuit
I have some 1w 12VDC Weatherproof LEDs that I'd like to use for lighting my pond, where I have an existing 12VAC lighting circuit. I understand that the voltage from the landscape light circuit ...
4
votes
2answers
297 views
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 ...
7
votes
1answer
288 views
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 ...
3
votes
2answers
292 views
conductive paint + water =?
I'm trying to create an outdoor installation with simple embedded electronics. I was hoping to use conductive paint to connect leds. The leds would be covered (waterproof) but the conductive paint ...
4
votes
11answers
2k views
Waterproof Temperature Probe
I'm looking into building a temperature monitoring system, and I want the sensor to have the ability to be submersed into boiling water. Can a thermocouple handle this? I'm looking into this one now, ...
2
votes
4answers
317 views
7
votes
8answers
828 views
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 ...
