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  • JobB commented on GreenThyme's instructable Green Thumb Grow Lights8 months ago
    Green Thumb Grow Lights

    Sorry, this question was asked below.Answer by GreenThyme (author): My strips require 12v and consume approximately 28 watts total.

    Sorry, this question was asked below.Answer: My strips require 12v and consume approximately 28 watts total.

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  • JobB commented on isotope32's instructable 3D Printed Syringe Pump Arduino Based8 months ago
    3D Printed Syringe Pump Arduino Based

    Thanks a million for sharing. I built two of them. It is indeed hackable, and that is exactly what I needed. I changed the code and buttons, connected the arduino to a pH-electrode and now it's a pH-stat. It keep the pH at a chosen value by titrating acid or base and send all data to excel! Moreover, with other code it's a acid-base titrator to determine pKa's.This was my first real electronics/ Arduino project, so I guess your explanation was clear. I loved the bill of materials too, just click and buy from the interwebs. The only issue I had was with the main driver axis (don't know the proper word for it). I'm based in europe, so it was difficult to find the american sizes. I ended up buying a meter of an M8 threaded rod. Works like a charm.Again, thanks a lot!

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