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→I2C Bus
<syntaxhighlight lang="python">
<syntaxhighlight lang="python">
from machine import I2C
from machine import I2C, Pin
i2c = I2C( 0 ) # sda=GP8, scl=GP9 @ 400 KHz (default)
i2c = I2C( 0, sda=Pin(8), scl=Pin(8) ) # @ 400 KHz (default)
# i2c = I2C( 0, freq=100000 ) # Reduce bus speed @ 100 KHz
# i2c = I2C( 0, sda=Pin(8), scl=Pin(8), freq=100000 ) # Reduce bus speed @ 100 KHz
</syntaxhighlight>
</syntaxhighlight>