Re: [DIYbio] update on the liquid handler

Hey Otto and whoever's interested in the liquid handler and automation:

I'm working on gettig an off-axis pump working. That way you don't have to buy a pipette and you don't need 2 additional motors moving around. 

Right now I'm having a small vacuum leak, but I think I'll get that fixed soon. It works well when I clamp things down hard, but I want to make the whole design of the liquid handling part a bit tighter. And by "works well", I mean it aspires and dispenses liquid, but I have not measured the accuracy or repeatability.

At small volumes liquid handling becomes trickier because of surface tension and microfluidic effects. (and temperature, viscosity, etc)

Tom.

On Sunday, February 1, 2015 at 4:08:34 PM UTC-8, Otto Heringer wrote:

Sure, it will. I still dont looked if the online community is engaged to do this with the opentrons pipetting machine, but hope to work out for them. Anyone here already using it!?

By the way, I've put aside the guillotine design for a moment and now I'm working on an "almost a 3D printer" design for the pipetting machine. My focus now is on the pipet carriage and operation controlling system and the plan is to finish a presentable (for you guys) 3D model next week.

@Tom, are you working on something like this right now!? Critics and suggestions of experienced ppl (or not so experienced as well) would be welcome. :D

Em 01/02/2015 06:32, "Enrico" <enr.t...@gmail.com> escreveu:
guys this is really great! programming the machine to work with different protocols will be hard and cool at the same time

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