Pi Project for Work

From:	Ken (SHIELDSIT)	30 Jul 2014 21:46
To:	ANT_THOMAS	1 of 14

41145.1
Ant Man, I would like to make a little environmentals Pi for my data center at work. We've both done the temperature logging things, so I'm fairly confident with that part of it. I'd also like to monitor for water. Do you know if they make a sensor for that? I haven't actually looked yet so I dunno. And I guess if they do, would there be a way to hook them in a series so that I could put a few around the room? Any ideas on the project? --------------------------------------------- Give me liberty or, I dunno, something.

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From:	ANT_THOMAS	30 Jul 2014 21:53
To:	Ken (SHIELDSIT)	2 of 14

41145.2 In reply to 41145.1
Water in what sense? Flood? Humidity? Plenty of humidity sensors. I have a rain sensor which has an ADC converter built in so when it's wet/dry it just outputs high/low which is easily read on the Pi GPIO. Search eBay for Arduino rain or moisture sensors and see if the idea of them makes sense for you. ┌─────┐ │ │ │ ┌─┐ │ │ │ │ │ │ └─┘ │ │ │ │ ┌─┐ │ │ │ │ │ │ │ │ │ └─┘ └─┘

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From:	Ken (SHIELDSIT)	30 Jul 2014 21:54
To:	ANT_THOMAS	3 of 14

41145.3 In reply to 41145.2
Water as in flood. We've had our A/C drain plug and spit water on the floor more than once. I did do a quick search after I posted and it seems most of them are used for moisture in soil. --------------------------------------------- Give me liberty or, I dunno, something.

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From:	Ken (SHIELDSIT)	30 Jul 2014 21:57
To:	ANT_THOMAS	4 of 14

41145.4 In reply to 41145.2
Well who would believe that someone already did most of it? I figured that was the case but was too lazy to look until now! --------------------------------------------- Give me liberty or, I dunno, something.

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From:	ANT_THOMAS	30 Jul 2014 22:02
To:	Ken (SHIELDSIT)	5 of 14

41145.5 In reply to 41145.4
There you go then! But I believe the soil moisture sensors can be used to detect water as a wet/dry variable rather than percentage of moisture. ┌─────┐ │ │ │ ┌─┐ │ │ │ │ │ │ └─┘ │ │ │ │ ┌─┐ │ │ │ │ │ │ │ │ │ └─┘ └─┘

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From:	Ken (SHIELDSIT)	30 Jul 2014 22:04
To:	ANT_THOMAS	6 of 14

41145.6 In reply to 41145.5
That may be what I go with, I'll try making this one first. The ones you buy just look better. --------------------------------------------- Give me liberty or, I dunno, something.

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From:	ANT_THOMAS	30 Jul 2014 22:04
To:	Ken (SHIELDSIT)	7 of 14

41145.7 In reply to 41145.4
That's what I've got http://pages.ebay.com/link/?nav=item.view&id=281371131769&alt=web You could just remove the sensor plate, since its basically just a load of metal tracks that get bridged by water to make a circuit, and run two wires to the floor where the water will be. ┌─────┐ │ │ │ ┌─┐ │ │ │ │ │ │ └─┘ │ │ │ │ ┌─┐ │ │ │ │ │ │ │ │ │ └─┘ └─┘

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From:	Ken (SHIELDSIT)	30 Jul 2014 22:06
To:	ANT_THOMAS	8 of 14

41145.8 In reply to 41145.7
Hmm, so if any of that gets wet it registers right? That might work just fine. --------------------------------------------- Give me liberty or, I dunno, something.

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From:	Ken (SHIELDSIT)	30 Jul 2014 22:21
To:	ANT_THOMAS	9 of 14

41145.9 In reply to 41145.7
Look what this guy made! Our farm isn't that big but this would still be pretty useful! --------------------------------------------- Give me liberty or, I dunno, something.

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From:	ANT_THOMAS	30 Jul 2014 22:32
To:	Ken (SHIELDSIT)	10 of 14

41145.10 In reply to 41145.8
Yeah if you wet your finger and touch the plate it registers. Or put a drop of water on it. ┌─────┐ │ │ │ ┌─┐ │ │ │ │ │ │ └─┘ │ │ │ │ ┌─┐ │ │ │ │ │ │ │ │ │ └─┘ └─┘

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From:	ANT_THOMAS	2 Aug 2014 09:46
To:	Ken (SHIELDSIT)	11 of 14

41145.11 In reply to 41145.8
Well you encouraged me to actually setup the rain sensor. ┌─────┐ │ │ │ ┌─┐ │ │ │ │ │ │ └─┘ │ │ │ │ ┌─┐ │ │ │ │ │ │ │ │ │ └─┘ └─┘
Attachments:

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From:	Ken (SHIELDSIT)	2 Aug 2014 17:39
To:	ANT_THOMAS	12 of 14

41145.12 In reply to 41145.11
Wow, lots of data! Sweet! --------------------------------------------- Give me liberty or, I dunno, something.

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From:	ANT_THOMAS	11 Aug 2014 22:26
To:	ALL	13 of 14

41145.13
Turns out my cheap rain sensor corroded in the rain so it has stuck on! Oh the irainy. (sorry) ┌─────┐ │ │ │ ┌─┐ │ │ │ │ │ │ └─┘ │ │ │ │ ┌─┐ │ │ │ │ │ │ │ │ │ └─┘ └─┘

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From:	koswix	12 Aug 2014 07:24
To:	ANT_THOMAS	14 of 14

41145.14 In reply to 41145.13

Irainy oxidey


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If Feds call you and say something bad on me, it may prove what I said are truth, they are afraid of it.

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