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2 # Schematic
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9 # Controls
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11 - Press this button to change the logic gate.
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15 - Press this button to select the logic gate shown on the LCD.
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19 - These two button are the inputs.
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21 
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23 - I have selected the `AND` gate, so If I press both buttons the LED lights up.
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27 - There are 7 logic gates to choose from.
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