Changes

7.1 Run the command to read battery voltage and percentage

pi@raspberrypi:~/x729 $ sudo python3 bat.py

7.2 Change the battery low voltage to implement safe shutdown. default is less than 3.00Vdc.

pi@raspberrypi ~ $ sudo nano bat.py

[[File:X729-3.png|none]]

Note: the voltage range must be 2.5~4.1vdc.

7.3 Optional - if you want to run Python Script automatically on Bootup then run the command

pi@raspberrypi:~/x729 $ sudo crontab -e

7.4 Add a line at the end of the file that reads like this:

[[File:X729-4.png|none]]

Save and exit. In nano, you do that by hitting CTRL + X, answering Y and hitting Enter when prompted.