I am seeking ways to reduce power consumption on my raspberry pi 3B+. I've read that one of the most efficient ways is to turn off the USB chip. This link shows how to do so via the toggle commands.
Turn OFF USB chip
echo '1-1' |sudo tee /sys/bus/usb/drivers/usb/unbind
Turn ON USB chip
echo '1-1' |sudo tee /sys/bus/usb/drivers/usb/bind
But I do not think that this is a permanent method, i.e. the USB chip turns on whenever I reboot the raspberry pi.
Is there a way to turn it off permanently?