PurpleDrop Manual

Welcome to the PurpleDrop Manual.

The PurpleDrop is an open source digital microfluidic (DMF) device designed at the Molecular Information Systems Lab at the University of Washington. It using electrowetting-on-dielectric (EWOD) effects to control small volumes of liquid, for automating web-lab protocols.

• Building the PurpleDrop
  • Programming the PurpleDrop Embedded Software
  • Building the Main Board
  • Building the Electrode Board
• Building DMF Surfaces
  • Building the Electrode Board PCB
  • Building the Dielectric Layer
  • Building the Top Plate
  • Holding it Together (the Cover)
  • Sub-Topics
• Using the PurpleDrop
  • Installing Software
  • Setting Up and Powering the PurpleDrop
  • Moving your first drop
  • Scripted Control Tutorial
  • Capacitance Measurement
  • Feedback Controlled Droplet Splitting
  • Python Control Cookbook
• Project Links
  • Hardware Designs
  • Software Repositories