Bill of Materials

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a small plate of 1 mm brass sheet
2 19/22 silicone septa
2 2 mm banana connectors with M2 thread and matching nuts
1 24 V DC power source
1 50 mm C-clamp - Also known as G-clamp, 2-inch varieties should work
1 Arduino UNO R3 - or equivalent microcontroller that can output two independent 5V PWM signals and connect to the computer over USB serial
2 assembled jig
4 cm² of conductive felt
1 DC power jack
4 F-25 Luer Lock Adapters
4 F-31 Luer Lock Adapters
160 cm² of gasket sheet - Dimensions must be at least enough to cut out approx. four 6 cm x 8 cm rectangles, an A4 sheet is enough
100 cm² of grafoil
8 M3x35mm socket cap bolts and nuts
2 peristaltic pumps
some polypropylene filament - This can be substituted if you only plan to run water through the cell for testing things other than the chemistry
1 secondary container - Gastronorm 1:3 150mm deep polypropylene works well
A4 sheet separator sheet
some stiff filament - PLA works
54 cm of tubing
1 USB A-to-B cable

1 2D metal cutting tool - Mill, drill, router, laser cutter for sheet metal
1 5 mL syringe - or larger
2 50 mL beakers - or drip tray/other container to hold 10 mL of water
1 computer - Must be able to flash firmware to microcontroller and connect over USB serial to microcontroller and potentiostat
1 FDM printer
1 gasket cutter machine - Vinyl/laser cutter or hand tools
1 PC
1 potentiostat - preferably the MYSTAT
1 scale
1 soldering iron
1 utility knife