実際のところ from machine import Pin, I2C import utime slaveAddress = 0x42 registerAddress = 0x06 writeData = b'123' i2c = I2C(0, scl=Pin(9), sda=Pin(8), freq=100000) #接続先を調べる i2c.scan() #slaveAddressに対し書き込み i2c.writeto(slave…