CommentStreams:1a45956895a9d0f9bd7fbb459a511d3b

I read it as

1. X728 RTC setting up
2. sudo sed -i '$ i rtc-ds1307' /etc/modules
3. sudo sed -i '$ i echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device' /etc/rc.local
4. sudo sed -i '$ i hwclock -s' /etc/rc.local