The Atlas is capable of supplying external circuits with power through the VDD line. By default this line is turned off. The following pseudocode demonstrates enabling the GPIO VDD line to output 2.5V.
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// Connect to camera
// Get device node map
// Choose Line4 and set it to output external voltage
LineSelector = Line4;
VoltageExternalEnable = True;
// Continue with the rest of the program...
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