FIG. 8.

(a)–(c) Schematic of PDMPs with 1, 2, and 4 DIPs, respectively. A DIP has 2 inlet valves to enable pumping from either fluid source. The 1-to-1 valve is a normal valve, but a n-to-1 valve controls connecting n inlets to 1 outlet. (d) and (e) Different perspectives of a PDMP CAD design with 4 pumps and a 4-to-1 valve. The green vertical channels are fluidic channels, and the rest are control (pneumatic) channels. The outlet channel consists of two sections with heights of $50\mu \mathrm{m}$ (ROI1) and $100\mu \mathrm{m}$ (ROI2), respectively. (f) Microscope photo of a 3D printed device based on (d) and (e). Inside the white dashed box are 2 inlet valves and a DC.