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 Post subject: Open PAR meter project
PostPosted: Tue Mar 18, 2014 5:57 pm 
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Joined: Thu Aug 01, 2013 10:05 pm
Posts: 4
awhile back i purchased your "good enough" PAR meter. It got me thinking that others could benefit AND improve on the design.

So I was wondering what you thought if i started an open source par meter project and used your diy project as the starting point. If it doesn't make sense to use your project, I wanted to understand if you had any thoughts/reservations on me starting an open source par meter project. I am very impressed with your DIY PAR meter and wanted to at a minimum acknowledge this great effort.

If you would like to send me mail: bitknitting at gmail dot com

kind regards!


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PostPosted: Sun Mar 23, 2014 9:28 am 
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Joined: Fri Nov 30, 2012 1:54 pm
Posts: 275
I emailed you.
Yes this is an open source project. Anybody can take it on.
Over at plantedtank.net, a user named Hoppy used a 3 different light filter gels to isolate the PAR spectrum even further to make it more accurate. We talked about it generally in the beginning about using filters and he's taken a lot of time to experiment.

http://www.plantedtank.net/forums/showt ... p?t=443185
I think he's using a regular lux meter where you have to do some math to the output manually but shouldn't be a problem if you use an arduino.


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PostPosted: Mon Mar 24, 2014 6:33 am 
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Joined: Thu Aug 01, 2013 10:05 pm
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I did get your email - THANK YOU. I am getting my head around my project "A Salad A Day" which will include an open source DIY PAR meter started with your efforts. I will post on progress. Hopefully, others will want to participate and we can combine what we figure out/know into something we can all use and understand.


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PostPosted: Mon Mar 24, 2014 5:54 pm 
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Joined: Fri Nov 30, 2012 1:54 pm
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sketchy wrote:
I did get your email - THANK YOU. I am getting my head around my project "A Salad A Day" which will include an open source DIY PAR meter started with your efforts. I will post on progress. Hopefully, others will want to participate and we can combine what we figure out/know into something we can all use and understand.


let me know if there are issues with the meter. There are issues like if you're trying to read a specific spectrum or it might be off by an inch or so when measuring a light bulb.


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