Low

Low port

port I/O port number (0 to 255)

This command sets the port's I/O mode to output and outputs logic low or 0V (GND).

Output 8 'Set port 8's I/O mode to output
LOW 8 

When a port is set to logic high, the port is internally connected to VDD (5V). If it is set to a logic low, the port is internally connected to VSS (0V). This allows either source or sink interfacing to external components (up to 25mA for source or sink).

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