Displaying a switch logical value

Type a question mark, a space and the name of the switch to display its current value.

Switches are named SW1...SW6:

• SW1 corresponds to Arduino's pin D2
• SW2 corresponds to Arduino's pin D3
• SW3 corresponds to Arduino's pin D4
• etc.

Switches values are 0 or 1:

• 0=the switch is closed: the Nano input pin is connected to the ground
• 1=the switch is opened: the Nano input pin is connected to +5V through the built-in pullup resistor

Use this command to check the state of a switch.

 
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