The Mini-Monitor documentation discusses a method to collect utility meter readings using an SDR (software defined radio) interfaced through the Mini-Monitor USB port.
Mini-Monitor includes a custom
reader class for the rtl433 generic data receiver which can be enabled in your settings file.
ENABLE_RTL433_READER = True
This is typically enabled in conjunction with items in the Utility Meter Reader script section of the settings. file
# ------------ Utility Meter Reader script --------------
The reader, located in the pi_logger directory, is named
rtl433_reader.py and is configured for devices with the following chips:
Radio Chip: RTL2832U
Tuner Chip: R820T2
Examples of this radio device that have been tested with Mini-Monitor are: