[TriEmbed] Waterproof Connectors

Tue Nov 29 15:46:33 CST 2016

Brian, 

I have spent some time on this and have not nailed it.  But here are some I could recommend you look at.  

1) If you are a very good and patient solderer and want the best weatherproof connector money can buy, look at these Hirose Connectors: https://media.digikey.com/pdf/Data%20Sheets/Hirose%20PDFs/HR30.pdf <https://media.digikey.com/pdf/Data%20Sheets/Hirose%20PDFs/HR30.pdf>

2) You could also have a waterproof junction box where you make a break connections with normal connectors and use these cable glands that work well with Cat5 Cable: https://www.digikey.com/product-detail/en/bud-industries/NG-9511/377-1630-ND/439539 <https://www.digikey.com/product-detail/en/bud-industries/NG-9511/377-1630-ND/439539> or use Sugru - https://www.amazon.com/Sugru-Moldable-Glue-Classic-Multi-Color/dp/B008URBC9I/ref=sr_1_1?ie=UTF8&qid=1480455935&sr=8-1&keywords=sugru

3) You can avoid the difficult soldering by buying these pre-made connector kits: https://www.adafruit.com/products/744 <https://www.adafruit.com/products/744>

4) Or you can use this to make a waterproof CAT5 connection: https://www.adafruit.com/products/827 <https://www.adafruit.com/products/827>

5) If you are cheap you can use these automotive connectors (also come uncrimped): https://www.amazon.com/gp/product/B00VZOHVSE/ref=s9_acsd_hps_bw_c_x_4_w

Where you need to solder wire joints, put some heat shrink tubing over the joint and then slather it with this: http://www.homedepot.com/p/Gardner-Bender-4-fl-oz-Liquid-Electrical-Tape-Black-LTB-400/100119178 <http://www.homedepot.com/p/Gardner-Bender-4-fl-oz-Liquid-Electrical-Tape-Black-LTB-400/100119178>

Hope this helps!

Chip

> On Nov 29, 2016, at 1:00 PM, triembed-request at triembed.org wrote:
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> Today's Topics:
> 
>   1. Waterproof connectors (Grawburg)
>   2. Rigol sale (Pete Soper)
>   3. Re: Waterproof connectors (Pete Soper)
>   4. Need help with Arduino / ESP8266 Project (inquiry at fortunel.com)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Mon, 28 Nov 2016 15:30:41 -0500
> From: Grawburg <grawburg at myglnc.com>
> To: TriEmbed <triembed at triembed.org>
> Subject: [TriEmbed] Waterproof connectors
> Message-ID: <9aee6e4f99500bccb54e51d253481a59 at myglnc.com>
> Content-Type: text/plain; charset=UTF-8
> 
> Looking at Digikey, etc and there are literally zillions of connectors to choose from. So maybe you all can help narrow it down for me.
> 
> Making some extensions that will connect to water proof Dallas one-wire temperature units from Adafruit (three wires in the cable). I will use some Cat5e or Cat6 ethernet cable that I have plenty of to connect to the Adafruit cables. So I need a male & female combo package that will be water-tight. Wire won't be submerged just in the elements.
> 
> Thanks,
> Brian Grawburg
> 
> 
> -- 
> [This was sent from a PC running Debian 7, 64-bit Linux. No Microsoft products were used.]
> 
> 
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Mon, 28 Nov 2016 15:49:04 -0500
> From: Pete Soper <pete at soper.us>
> To: Triangle Embedded Computing Discussion <TriEmbed at triembed.org>
> Subject: [TriEmbed] Rigol sale
> Message-ID: <28f1faf2-1617-5d60-797c-8cc6a7d6784b at soper.us>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Tequipment is having a sale of Rigol equipment. As an example here's a 
> four channel analog-only version of the scope I have that is primo for a 
> price that's got me all misty.
> 
> http://www.tequipment.net/RigolDS1074Z.html?gclid=CNOlgv-ozNACFdgIgQodvgcI8w
> 
> -Pete
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Mon, 28 Nov 2016 16:13:25 -0500
> From: Pete Soper <pete at soper.us>
> To: triembed at triembed.org
> Subject: Re: [TriEmbed] Waterproof connectors
> Message-ID: <75fc75a7-fedc-5275-107e-139d33f75d9d at soper.us>
> Content-Type: text/plain; charset=windows-1252; format=flowed
> 
> This is relevant for connections that are going to stay in place for 
> long periods. If you're going to be disconnecting/reconnecting outdoors 
> "carry on".
> 
> During my amateur radio days I had to make weather proof connections for 
> coax and switch control wires that needed to live high in the air or 
> underground where maintenance was very painful. Sealing a conventional 
> connector by wrapping it with silicone tape such as the stuff linked to 
> below, then wrapping over that with Scotch 88 electrical tape results in 
> internal parts that will look exactly the same five years later as they 
> looked before you sealed them up. Stretch the silicone tightly, 
> overlapping the turns, but *do NOT* stretch the 88 when applying it (the 
> ends will come loose over time if they've been stretched).
> 
> http://www.usplastic.com/catalog/item.aspx?sku=39147&gclid=CK3U67arzNACFUI6gQod07sKHA
> 
> Beware air leaks in loose cable sheaths like CAT5 or conduit. Outdoor 
> thermal cycling can condense water out of the air faster than it 
> evaporates. Always have weep holes in conduit. Put fine mesh screen over 
> the weep holes to keep the bugs out.
> 
> -Pete
> 
> On 11/28/2016 03:30 PM, Grawburg via TriEmbed wrote:
>> Looking at Digikey, etc and there are literally zillions of connectors to choose from. So maybe you all can help narrow it down for me.
>> 
>> Making some extensions that will connect to water proof Dallas one-wire temperature units from Adafruit (three wires in the cable). I will use some Cat5e or Cat6 ethernet cable that I have plenty of to connect to the Adafruit cables. So I need a male & female combo package that will be water-tight. Wire won't be submerged just in the elements.
>> 
>> Thanks,
>> Brian Grawburg
>> 
>> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Mon, 28 Nov 2016 14:10:13 -0500
> From: <inquiry at fortunel.com>
> To: <triembed at triembed.org>
> Cc: <inquiry at fortunel.com>
> Subject: [TriEmbed] Need help with Arduino / ESP8266 Project
> Message-ID: <000f01d249ab$0e3d0140$2ab703c0$@fortunel.com>
> Content-Type: text/plain;	charset="us-ascii"
> 
> Hello,
> 
> As a full-time, working person who is travelling a fair amount, I am looking
> for help to build a pass-through WiFi RS232 device using an Arduino/ESP8266
> combination to read data from a scale. I will support this project with
> financial help. This project would be suited for a NCSU student with the
> proper skills. I hope this forum (which I have attended in the past) is
> appropriate for this request.
> 
> If successful, a variant of this project will be to expand the approach to
> reading ambient temperature & voltage across a variable resistance. Feel
> free to contact me directly. Thanks.
> 
> Christian Fortunel
> inquiry at fortunel.com
> 
> 
> 
> 
> 
> 
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