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Experimenting with Waterproof Connectors
Blog E.W.C Blog 1: The kit is here!
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Engagement
  • Author Author: me_Cris
  • Date Created: 23 Apr 2023 5:17 PM Date Created
  • Views 1264 views
  • Likes 8 likes
  • Comments 11 comments
  • lattepanda
  • amphenol
  • extra credit blog 1
  • waterproof
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E.W.C Blog 1: The kit is here!

me_Cris
me_Cris
23 Apr 2023

Hello

I also received the kit for this with waterproof connectors. The package arrived without damages, I think I received all the parts from the list, I'm not sure if I should have received some screws for mounting for the RJ45 jack.

I don't think it's necessary to attach more pictures, however, all the pieces I received can be seen by accessing the pictures from the drive.

https://drive.google.com/drive/folders/1Srr6Qw-iPHm9VVOLDiIZT90gWBR3OAqO?usp=share_link

Having said that, I started to analyze the enclosure, I received one with holes already made. I also placed the gasket in the channel in the cover.

image   image

I did a test by assembling the cover of the box and noticed that there is still a small gap of 1mm between the parts. I will see if this is a problem or not.

image   image

Then I assembled each plug separately, in turn. I also discovered a few things, the RJ45 plug that didn't come with mounting screws or other accessories, and it didn't fix very well, but luckily I had screws that fit quite well.

image

Then I have to make small changes to the enclosure to better fix the RF plug with coaxial cable. There are several vertical channels on the inside of the enclosure, and one of them is fixed next to the hole for the plug.

image   image

So I cut a little of the channel so that the plug is fixed better, now it comes as straight as possible on the surface.

image   image

I didn't wait too long and did a first waterproof test, rather "soft", I mean I didn't risk anything and I used a paper. I put this paper in the enclosure and immersed it in water. Surprise surprise, the enemy (water) made its way inside the enclosure. I don't know what the reason is, but as soon as I submerged the enclosure I noticed small bubbles. The first signs of water seepage appeared next to the RJ45 plug, then at the other plugs around. Looks like I'll have some work to do with this enclosure.

https://drive.google.com/file/d/1yGf363tCUyth09n7ip8T9x7dizz_prPj/view?usp=share_link

In order to be able to use this enclosure safely, I have to solve the problem. Good thing I didn't place the Panda board inside. For this board I am thinking of starting with beginner tutorials, the important thing is that there are sources of information. I have several ambient sensors like the DHTxx of course, I also have other sensors. In the end, if I see that I cannot safely use this enclosure with the Panda board, I will focus on the LattePanda and work with the sensors and other components that I have. I plan to use an Arduino platform as well, the sensors to be connected to the Arduino, and with the help of LattePanda to be able to transmit the data wirelessly. It would be an idea, but there is a long way to go.

I haven't had the opportunity to work with the kit until now, and implicitly to publish a blog, but from now on I can take care of it.

Thank you.

Next blog is coming.

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  • me_Cris
    me_Cris over 2 years ago in reply to JWx

    I just received the backshell for the RJ45 connector. I will try again and see what I can get, otherwise I can't count on the enclosure.

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  • JWx
    JWx over 2 years ago in reply to me_Cris

    I was using spanner to tighten them about 1/4 turn (but one needs to be careful to not over tighten them and damage seal or enclosure) - It's a pity I don't have dynamometric key for small torque values (and the second thing - only for RJ connector I have found published torque values) 

    It seems waterproof afterwards (for short times at least):

    image

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  • colporteur
    colporteur over 2 years ago in reply to me_Cris

    Your response was inappropriate.

    My question was not asked with the intent to imply anything regarding your intelligence. 

    I re-examined the images and still would not guess there are gaskets. You indicated a leak. Gaskets or lack of would account for that. If you say there are gaskets than objective met.

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  • me_Cris
    me_Cris over 2 years ago in reply to ralphjy

    Maybe I need to look for some shorter screws for the RJ45 plug, although on "dry" setup it seemed fine.

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  • me_Cris
    me_Cris over 2 years ago in reply to colporteur

    I installed each plug with all the accessories they have, including gaskets, I'm not that stupid.

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