Original author: Ed Watson (mail@edwilldesign.com) Contributors: leandroalbero
Logs uptime, battery voltage, battery current, battery temperature, device wattage and battery %remaining from the GeeekPi UPSv5 (EP-0136) board connected to a Raspberry Pi, and writes to a timestamped CSV file for optional graphing via Pandas/Matplotlib (if installed). Built and tested on a Raspberry Pi4b 8gb running RaspiOS 2021-03-04 (Debian Buster) w/ UPSplusV5 FW Ver.3.
Included are example graphs pngs, built from a 4-hour capture of running batteries down.
- libatlas (needed for numpy):
apt-get -y install libatlas-base-dev - Pandas (which includes numpy) and matplotlib:
pip3 install pandas matplotlib
- 'python3 upspv5-batt-logger.py' - logs to local [timestamp].csv file
- 'python3 upspv5-batt-logger.py file.csv "[label for graph title]"' - graph results as local png images
Run immmediately after a fresh booting after a full charge for best results. Recommend running from a USB stick and enabling 'Overlay FS' if using RasPi Debian Buster to make the FSread-only w/ RAM disk. This prevents FS damage when battery power becomes low and starts causing power outages.