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. 2019 Nov 19;8:e48178. doi: 10.7554/eLife.48178

Appendix 1—figure 14. Illustration of step 16.

Appendix 1—figure 14.

16. Assemble second array of ten manifold 3/2 solenoid valves (z, S070M-6BG-32) and connect these to relays of the top 16-channel relay by connecting the red cable to the normally open contact. Document which relay is connected to each solenoid valve.