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1  Community / Bar Sport / Re: USPS out to kill hobby shipping on: January 31, 2013, 05:12:29 pm
so does anybody have some tips for mailing small electronics to countries outside the US?
2  Using Arduino / Sensors / Re: ph level tester on: January 22, 2013, 09:33:56 am

is a good one too. You should google 'omega engineering' they have ph probes that have threads so you can screw them into things. They also have fittings to help mount them.
3  Using Arduino / Project Guidance / Re: PH fish tank on: January 18, 2013, 04:14:56 pm
Drew I don't know if I am too late, but I have recently released a ph shield for arduino on tindie. I'll be writing a in depth tutorial on how to control ph in the few weeks too.
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