Questions tagged [waterproof]

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

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1answer
45 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, ...
0
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1answer
76 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 ...
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1answer
44 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 ...
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1answer
49 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 ...
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2answers
99 views

Waterproofing products

does anyone know of a product that can be used for waterproofing electronics and exposed wireing that is suitable for submersion for potentially long periods? More specifically I am looking for a way ...
2
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1answer
73 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 ...
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1answer
65 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 ...
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3answers
79 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 ...
1
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2answers
66 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),...
0
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1answer
279 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 ...
3
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1answer
167 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 ...
2
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1answer
377 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 ...
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0answers
75 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 ...
2
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3answers
124 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+, ...
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4answers
157 views

Waterproofing temperature sensor

I'm working with LMT85 temperature sensor and I want it to be waterproof, once it will be working submersed by water. I'm thinking on use hot glue on connections and then use a heat shrink tube. Is ...
0
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1answer
553 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 ...
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1answer
67 views

Protecting handmade electronics from accidental water spillings [closed]

Keep in mind that I dont know the least about electronics. I have soldered and used some arduinos before, but that is it. I am preparing to make a mechanical keyboard (or handwire like they say on /r/...
0
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1answer
117 views

lithium coin cells, safe to completely cover? lightweight method to protect from the environment

I am trying to make equipment to measure temperature in small mammals, probably attached to a neck collar. The collar needs to be very lightweight (e.g. <3g total) so I am planning to use a ...
0
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1answer
160 views

PCB material that does not swell from water absorption?

We designed a microchip to sense high pressures under water. The chip senses pressure through a thin diaphragm that deflects and a corresponding piezoresistor circuit that measures the deflection. For ...
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5answers
680 views

Waterproof and pressure sensor

I'm designing an equipment that will be in a rural area exposed to heavy rains. I already got an IP67 rated enclosure with IP67 connectors and it's working as expected. I need to measure the ambient ...
0
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1answer
106 views

Will reed switches break in various weather conditions

I will be using an OKI ORD-9216 14mm reed switch in my mailbox, which is outside of my house. Below is a picture of a reed switch. I am worried to whether the reed switch's glass will crack due to ...
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0answers
662 views

Water Temperature Sensing with DHT22

This question may also be asked in physics stackexchange, but I'll try my luck first here. I want to set up a water temperature sensor system. My temperature sensor will most probably be DHT22 due to ...
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2answers
765 views

Preventing Water Ingress Through Cable Conductors

Suppose a 4-conductor cable is connected to a printed circuit board mounted inside of a waterproof enclosure. The cable may become damaged (the insulation may be breached) allowing water to seep into ...
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2answers
211 views

Do DC Power Jacks need waterproofing?

I plan to use a pair 5.5x2.1mm DC Power Jack as shown below to connect a battery pack to a DC motor that will drive an electric tricycle. Occasionally it may rain while the tricycle may be in use and ...
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1answer
1k views

Will Solar Cells charge under a clear plastic sheet?

I am planning to make a Solar Powered Battery Power Bank. I made one on a small scale and will scale it up. Anyway, there is a risk of rain short circuiting my DIY power bank. I thought of sealing my ...
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0answers
495 views

ESP + Lithium Battery Potting

I'm designing a monitoring system for plants based on a lithium-ion battery and an ESP8266 (Adafruit Huzzah board). Due to the application, water may come in contact with the battery and/or ...
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1answer
2k views

HC-SR04 ultrasonic sensor water proofing

I am using the above said HC-SR04 ultrasonic sensor with Arduino pro mini. Till now, able to get the range working properly. My plan is to use this in the overhead tank to measure the quantity of the ...
0
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1answer
145 views

Can Printed Circuit Boards or other electronic devices (Integrated Circuits, transistors) be damaged by water if the electricity is turned off? [duplicate]

Is it possible that electric or electronic devices be damaged by exposure to water if the current is turned off during their exposure to water and the electricity is switched back on only after the ...
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1answer
417 views

Piezoelectricity in water mediums

I am trying to run an experiment using a piezo ceramic cylindrical transducer (32X30X10MM 29 KHZ) to send a signal from the inside of a water-filled test metal tube to a transducer mounted on the ...
4
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1answer
135 views

Exposed contacts for power and data in an underwater project

I have a dive flashlight that charges via a proprietary USB connector and exposed pads on the exterior. My dive computer also has similar pads that don't charge but allow for data download and ...
2
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0answers
207 views

Waterproof connector to hack electric toothbrush [closed]

I have an Oral-B Triumph 5000 whose battery needs replacement. I would like to bring out the positive and negative connectors to both allow external charging/discharging/refresh (external smart ...
0
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1answer
177 views

IP protected Enclosure and Conformal Coating

I have an aluminium Enclosure and I am trying to make it waterproof by using Silicone. Is there any corrosion testing I can perform to Check Corrosion of Silicone or aluminium: to check the ...
2
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1answer
459 views

Material Suitable for Self-insulating Solders and Electrical Contacts?

I have been working on this personal project of water-proofing an electronic alarm clock, when I came across the idea of making electrical contacts non-conductive when produced. Specifically I have ...
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3answers
3k views

water proof bulkhead SMA connector

I have a wireless GSM module located inside a metallic enclosure. The module has an SMA connector to be connected to an antenna. I need a way to connect the external antenna to the module. The ...
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2answers
2k views

Waterproofing USB port

Recently Samsung came out with the new Galaxy and Edge phones which are advertised as IP68 rated.The mircro USB ports on these phones are completely exposed, yet are still IP68 rated. My question is, ...
3
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1answer
2k views

Test circuit for EU1640BCH12T / R Water proof ultrasonic sensors with Arduino?

I have EU1640BCH12T/R waterproof ultrasonic sensors, which I have got from this link. These are standalone raw sensors without breakout board and not a module like HC-SR04. Being a new electronics ...
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3answers
1k views

Charging a 12V car battery from a stream [closed]

EDIT: Thanks to everybody for replies and comments, which have been most useful. It seems that the hydro side of the equation would be challenging to implement, given the issues with sufficient head, ...
3
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1answer
103 views

Waterproofing my pulse width modulator board

I want to use a pulse width modulator to replace the on- off switch on my modified electric trolling motors. (I take disabled vets out on motorized kayaks). The modulator works great but, I need to ...
2
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0answers
1k views

Fixing a heated water dish: Pointers to a temperature table or guide for power resitors?

I'm fixing a heated water dish, used so that the dogs don't have to eat snow. The previous dish was heated with a wire embedded in what appears to be ceramic, on a foil back on the bottom side of the ...
1
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1answer
643 views

How to protect Ultrasonic Distance Sensor and Circuits from Water Vapours / Weather Conditions?

I am making the automatic water controller using Arduino and Ultrasonic Distance Sensors. My prototype is almost ready. But I have a doubt that if I put the sensors on lid of the water tanks, water ...
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4answers
738 views

Water level sensors for water pump

I have a "pompe a eau" inside a well of 40 meters length, the water pump doesn't stop if there is no more water in the well and that causes damage to it. So I tought of using water level sensors just ...
0
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1answer
3k views

Waterproofing electronics by dipping into polyurethane or lacquer

I've been looking at and thinking about a few related topics... https://arduino.stackexchange.com/questions/9163/using-arduino-for-industrial-process Reliability of the Arduino platform for ...
0
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1answer
574 views

How is water resistance of a device measured?

This question has relation to physics as well, but since it is electronic related, it is here. I was watching a video that is testing the water resistance of Apple Watch. They say, at 3 feet the ...
5
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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 ...
2
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2answers
956 views

How to mount a toroidal transformer in a waterproof plastic case

I have a toroidal transformer with mains input and 24V output, which I want to mount in an IP65 ABS plastic case. The transformer comes with two rubber and one metal disc for mounting, along with a ...
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2answers
2k views

Are all solenoids waterproof?

I have an application where I need a solenoid to control a valve at the bottom of a tank. For unimportant reasons the valve needs to be inside the tank at the bottom. I was wondering are all ...
6
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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 ...
2
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1answer
282 views

How much humidity can a microcontroller/embedded device withstand?

I'm working on a project that employs a microcontroller in an 80-85°F environment with quite a bit of humidity. It's going to be placed directly next to an array of fish tanks. Obviously, the water ...
0
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1answer
1k views

Air Circulation inside waterproof IP67 enclosure

We are using an SHT15 sensor + Arduino to measure relative humidity. The electronics is supposed to operate in a very high Relative humidity (~ 70 - 80) and wet conditions. To protect the electronics ...
13
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4answers
5k views

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,...