Based on the great script provided by John Mnemonic (here) I have adapted to use the USB Drive, to prevent the constant use of the hard disk so the hibernation can kick in, saving some energy and preventing the wear of the drives.
The files are configured to monitor only one drive and with standard temperature configuration from the original script, all this parameters are configurable within the first lines of the file fancontrol.sh from BIN folder. Tplot.sh files are only required only if you want graphics from temperature levels.
The temperature is obtained in Celsius from parameter 194 of SMART values. The script is tested and working with fun_plug 0.7.