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Old 11-27-2010, 03:16 PM   #61
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Originally Posted by !shadow! View Post
mistergreen is a secret agent from north korea :P
^^refering to post 45
Ugh, you know what? I'm probably on the 'flag' list whenever I go to fly now; going to have to get to the airport extra early.
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Old 11-28-2010, 08:46 PM   #62
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Ok, I built an app to output the 'PAR' data.

Big numbers for us old folks.


And an option to choose which port for it to listen to. You can do a wireless connection if you hook a bluetooth radio to the arduino
**Admendment**

If /dev/tty.usbserial-a9007muf is not the first item on the list, choose that... On windows, it might be COM1.

***************
You can download the app on my forum.
http://aquatictechtank.net/viewtopic...150&p=390#p390

Last edited by mistergreen; 03-05-2013 at 06:12 PM.. Reason: update
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Old 11-30-2010, 11:29 PM   #63
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mistergreen, I was busy for a few days and you're done building the diy par meter already? I am loving the way the data looks now.
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Old 11-30-2010, 11:41 PM   #64
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impressive, MG.
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Old 12-01-2010, 01:00 AM   #65
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Thanks, It was pretty easy; all in a Sunday afternoon.
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Old 12-02-2010, 03:13 PM   #66
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Oh! Just thought of making this more portable: Attaching a $14 LCD screen and use batteries....

I've always wanted to play with lcds.
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Old 12-02-2010, 03:18 PM   #67
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Originally Posted by Hoppy View Post
Aha! A good photodiode and and some oxidized hydrogen, and you have the makings of a powerful thermonuclear device! (Let me double check my old college physics book to confirm that.)
You must have graduated from MCU.

That's Mac Gyver University! (thank you very much, that was the most useful thing I've contributed to this thread so far).
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Old 12-02-2010, 05:52 PM   #68
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Now you can find a way to recoup your costs by building and selling these in the swap and shop? hehe
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Old 12-02-2010, 05:57 PM   #69
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Now you can find a way to recoup your costs by building and selling these in the swap and shop? hehe
I'd buy one!
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Old 12-02-2010, 06:36 PM   #70
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I've thought about it

I need to find a way to design the sensor better. It's clumsy with the epoxy, maybe a heyco grip cord is better.
The LCD is a better way too but obviously $14-$15 more expensive. And the microprocessor needs to be designed too. It can't be left exposed where water can get at it

Unless, I can just get all the parts, program it and let you guys handle the assembly. That would keep cost down.
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Old 12-06-2010, 11:33 PM   #71
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Holy cow,
I was wondering where my order was on the lcd was and it turned out I never placed the order last week.. It was just sitting in the shopping cart.

One of those days.
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Old 12-06-2010, 11:39 PM   #72
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Holy cow,
I was wondering where my order was on the lcd was and it turned out I never placed the order last week.. It was just sitting in the shopping cart.

One of those days.
Been there done that bro.
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Old 12-08-2010, 03:43 PM   #73
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Been there done that bro.
same happened to me whan I was doing my christmas shopping online, bro.
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Old 12-12-2010, 12:07 AM   #74
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A big update....
I redesigned the sensor with new parts; using an ethernet cable instead of a chuncky electrical cord and using a 1/4" heyco gripcord.



looks half professional doesn't it?
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Old 12-12-2010, 12:11 AM   #75
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And I received my LCD and battery holder today and couldn't wait to hook things up.. What else to do on a cold rainy day?



First 'hello world' test run.

And hooking everything up, batteries included.... Sorry for the self promotion there.


The next part is to figure how things will fit together and make all those wires look not so scary.
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