43 lines
842 B
Markdown
43 lines
842 B
Markdown
# Serial Write Number
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Write a number to the [serial](/device/serial) port.
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```sig
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serial.writeNumber(0);
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```
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## Parameters
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* `value` is the [number](/types/number) to write to the serial port
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## Example: one two three
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This program repeatedly writes a 3-digit number to the serial port.
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```blocks
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basic.forever(() => {
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serial.writeNumber(123);
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basic.pause(5000);
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});
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```
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## Example: plot bar graph does serial
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If you use the ``led.plotBarGraph`` function, it writes the number
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being plotted to the serial port too.
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```blocks
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basic.forever(() => {
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led.plotBarGraph(input.lightLevel(), 255)
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basic.pause(10000);
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})
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```
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## See also
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[serial](/device/serial),
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[serial write line](/reference/serial/write-line),
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[serial write value](/reference/serial/write-value),
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[serial write numbers](/reference/serial/write-numbers)
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