I have been thinking about some other design changes that would be good for a bio bot.
-- - Enclosure to maintain specific environment. This allows it to be used as an incubator. Cooling would allow it to be used for printing microarrays. The enclosure would be made of correx and could be paired with a HEPA filter.
See http://users.ox.ac.uk/~atdgroup/technicalnotes/TE300%20incubator%20enclosure.pdf for an initial design that is compatible with the current opentrons.
- Computer vision for self calibration and "Pick and Place". I am planning on using a downfacing Raspberry PI camera. I think I will start with the vision library made my guys working on the Firepick delta (www.firepick.org) which is a pick and place machine. See the code at github https://github.com/firepick1/FireSight. It is a layer on top of opencv and runs on Raspberry PI. The computer vision can recognize the plates being used for experiments.
- Automatic tool change needs more thought
I haven't started my build yet because I have been investigating these design changes and will make CAD drawings before physical assembly.
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