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Bill of Materials

Major Components

Miniature Diaphragm Pneumatic Pump

Miniature Electronic Pressure Regulator

Miniature Pneumatic Solenoid Valve (x4)

One-Way Pneumatic Air Flow Control Valve*

Pressure Sensor

  • Vendor link
  • Data sheet
  • Operation: pressure causes diaphragm to deflect, and deflection is measured by piezoresistor

Flow Sensor*

  • Vendor link
  • Data sheet
  • Principle of operation: small element heats air, and adjacent temperature sensors detect transfer of heat caused by air motion

4-channel 5V Relay Module for Arduino

Arduino UNO

*Optional: can be omitted.

Base

These parts simply hold the above components in place. Use a laser cutter (make sure you are trained first!) to cut these pieces out of acrylic sheets. We use 3mm acrylic for all parts except the base board (6mm acrylic). Cut 2 copies of the base board. Download the .dxf files for cutting here.

Pump on/off switch Solenoid valves
Arduino Relays, power plugs, and toggle switches
Pressure sensors Base board (12"x12" / 300mmx300mm)
Control Board Lasercut Part Files (.zip)94 KB
Control Board Sample Arduino Code (.txt)3 KB