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\subsubsection{Power Supply Network}  The device is powered by a MIOS 480W ATX computer power supply, which provides the PIC with 12V at 1A, the servo motors with 5V at 29A, and 5V at 2A which powers everything else, including the yellow sensor board, the stepper motor driver board, and the steppers themselves \cite{LazarRozenblat:2013}. A separate power and ground wire is run to each subsystem, and the wires converge immediately before the power supply. The wires from the power supply carrying 5V at 2 and 29A respectively first pass through the emergency cut-off switch, allowing for the immediate halt of current flow to all components of the device except for the PIC and illumination LEDs. These components do not move, and are powered by extremely low current, therefore these remaining live wire does not pose a risk. A drawing of the power supply network can be seen in Figure \ref{fig:psn}.