====== Arduino Control System Turning on the Pump ======

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We used 24V DC output from the arduino control system for relay switch.

The relay switch completes the connection between external stop/start pins (8 and 14 in the peristaltic pump)when 24V is given.

[[http://www.youtube.com/watch?v=3i8Q6EggzNU|{{:start:classes:principlesofdesign:allograftpreservation_2012:arduino_1.jpg?400x300|}}]]\\
** Video 1. ** Arduino Control System turning on the pump