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

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© 2019, Peng et al

This article is distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use and redistribution provided that the original author and source are credited.

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Appendix 1—figure 16. — 21. Drill holes (3, 8, 12 mm) in aluminium angle (e) as shown on the layout.

22. Attach the toggle switch (f) to the 12 mm hole and the DC barrel power connector (g) to the 8 mm hole.

23. Solder a black wire (approx. 10 cm) to the neutral conductor of the power connector. This wire will connect to all ground wires (black wires) of the valves and relays.

24. Solder a red wire to the DC conductor of the power connector and to a contact of the ON/OFF switch.

25. Solder another red wire (approx. 10 cm) to the other contact of the toggle switch. This wire will condcut 12V for all valves and relays (yellow wires).