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from machine import Pin, I2C
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i2c = I2C(0, scl=Pin(9), sda=Pin(8), freq=100000)
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i2c.scan()
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i2c.writeto(76, b'123')
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i2c.readfrom(76, 4)
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i2c = I2C(1, scl=Pin(7), sda=Pin(6), freq=100000)
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i2c.scan()
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i2c.writeto_mem(76, 6, b'456')
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i2c.readfrom_mem(76, 6, 4)
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