46 lines
1.1 KiB
Markdown
46 lines
1.1 KiB
Markdown
# Serial Write Numbers
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Write an array of numbers to the [serial](/device/serial) port.
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```sig
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serial.writeNumbers([0, 1, 2]);
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```
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Instead of writing a single number at a time using [write number](/reference/serial/write-number), you can write multiple numbers to the serial port at once. They are written as _Comma Separated Values (CSV)_.
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You can write the numbers `0` through `5` together and they will appear as one line of serial output:
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``0,1,2,3,4,5``
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This makes a line of CSV data where the commas between the numbers are the separators for each value.
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## Parameters
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* `values`: the array of [numbers](/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-number array to the serial port.
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```blocks
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basic.forever(() => {
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serial.writeNumbers([1, 2, 3]);
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basic.pause(5000);
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});
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```
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## Example: plot temperature and light
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```blocks
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serial.writeLine("temp,light")
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basic.forever(() => {
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serial.writeNumbers([input.temperature(), input.lightLevel()])
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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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