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# SPI Write
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Write to the SPI Slave and return the response.
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```sig
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pins.spiWrite(0);
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```
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2017-09-07 13:42:08 -07:00
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## Parameters
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* ``value``: value Data to be sent to the SPI slave
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2017-09-07 13:42:08 -07:00
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## Returns
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2017-03-16 07:57:41 -07:00
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* a [number](/types/number) Response from the SPI slave
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2016-08-10 23:26:58 -07:00
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2017-09-07 13:42:08 -07:00
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## See also
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2016-08-10 23:26:58 -07:00
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[SPI](https://developer.mbed.org/handbook/SPI)
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