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| Water Bath Prototype |
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| Driver Board |
With the help of a
member from my maker space, we are trying to create a working water bath that
uses a arduino to control the temperature. If we are able to make it work
properly we will open source it. We are looking to develop either a arduino
shield or it's own driver board to run the water bath.
We trying to have it
set to 42 degrees C. This is the temperature used for bacterial
transformation(the heat shock method). It is working very steady with about
0.25 degree C on either side of 42 C. We are going to try at different
temperatures next.
The top picture shows
the setup, it is a power supply(top middle of picture), an arduino on a driver
board(black box next to the power supply) built by a member of my maker space,
a heating pad, LM35 temperature sensor and a plastic container(sitting on the
heating pad). The lid must be on to bring up the heat and keep it at a steady temperature.
The
next picture shows an arduino temperature driver board.
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