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In order to fully automate the whole biological process we need to be able to perform 4 main actions :
To control those actions we use an Arduino microcontroller to handle the different electronic components and a raspberry pi (a very small and cheap computer) to display the results and interact with the user
The whole process takes place in a structure made of aluminum and Plexiglas. The samples, buffers and pipette tips are placed on a central rotating plate that moves thanks to a motor controlled via our Arduino.
This circular structure is very convenient because it optimizes the space used and does not require to move the different modules, reducing the complexity of the system.