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Device components and wiring. A. Components needed for pressure control device. From top to bottom: Arduino Mega 2560 microcontroller (Qty. 3), piezoresistive pressure sensors (Qty. 12), IRF 520 MOSFET driver modules (Qty. 12), proportional solenoid valves (Qty. 12), and IV flow regulators (Qty. 12). B. Photograph of wiring and pneumatic connections for control of one of twelve pressure conditions. C. Schematic depicting pressure control in one of twelve columns of a 96-well plate.
