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A non-inverting Op Amp provides a gain in voltage. (a better explination goes here).

The Gain in voltage is determined by 1 + (R2 / R1).

     |\
o----|+\
     |  \
 +---|- /----+-----o
 |   | /     |
 |   |/      \
 |           / R2
 |           \
 +-----------+
             /
             \ R1
             /
             |
            --- GND

This is used in the PowerSupply to boost the 5.333 voltage to a voltage of 11.851 (roughly 12 volts)

CategoryTheory CategoryOpAmp CategoryCircuit