Quantity   Component name
1 × ESP32-DevKitC Espressif's official ESP32 development board
1 × PCA9698 I2C 40-channel IO expander
1 × Parker Hannifin 990-005203-005 Pressure regulator, 0 - 345 mmHg
1 × Parker Hannifin H085-11 Pump (for positive pressure, up to 23 PSI)
1 × Parker Hannifin E129-12-120 Vacuum pump
1 × Various parts See BOM for complete list
5 × ULN2803 Darlington array
1 × TLV2374 Quad op-amp
1 × Recom R-78C 5V out voltage regulator
1 × Various connectors
23 × Pneumadyne S10MM-31-12-2 Solenoid valves
4 × Pneumadyne MSV10-8 Manifold for solenoid valves
1 × Parker Hannifin 990-005103-015 Pressure regulator, 0 - 15 PSI
1 × Parker Hannifin 990-005103-050 Pressure regulator, 0 - 50 PSI