# Unofficial NanoVNA v2 USB Python library and tools
__This library is work in progress__
This is a small library that allows to access the NanoVNA v2 vector network
analyzer using Python. It implements the ```VectorNetworkAnalyzer```
base class of [pylabdevs](https://github.com/tspspi/pylabdevs) (since this
is work in progress there is currently an unfinished copy in this repository).
## Tools
### ```nanovnav2fetch```
The ```nanovnav2fetch``` is a very simple command line utility that
allows one to fetch the S00 and S01 parameters as well as phases
from the NanoVNA v2. Note that this utility always depends on ```numpy```
and requires ```matplotlib``` to plot or show the traces.
```
$ nanovnav2fetch --help
usage: nanovnav2fetch [-h] [--port PORT] [--debug] [--s00] [--s01] [--phases]
[--show] [--plot [PLOT ...]] [--plottitle PLOTTITLE]
[--label00 LABEL00] [--label01 LABEL01] [--npz NPZ]
[--start START] [--end END] [--step STEP]
NanoVNA v2 USB fetching utility
optional arguments:
-h, --help show this help message and exit
--port PORT Port to access the NanoVNA v2 (default: /dev/ttyU0)
--debug Enable debug mode on the NanoVNA v2
--s00 Gather S00 values
--s01 Gather S01 values
--phases Gather phases for all enabled channels
--show Display the rendered graphics (requires matplotlib)
--plot [PLOT ...] Supply filename that will be used to plot graphics
(required matplotlib)
--plottitle PLOTTITLE
Title for the plot
--label00 LABEL00 Label for the S00 parameter
--label01 LABEL01 Label for the S01 parameter
--npz NPZ Dump data into supplied NPZ file
--start START Start frequency in Hz (default: 50 MHz)
--end END End frequency in Hz (default: 4.4 GHz)
--step STEP Step size in Hz (default: 1 kHz)
```
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"description": "# Unofficial NanoVNA v2 USB Python library and tools\n\n__This library is work in progress__\n\nThis is a small library that allows to access the NanoVNA v2 vector network\nanalyzer using Python. It implements the ```VectorNetworkAnalyzer```\nbase class of [pylabdevs](https://github.com/tspspi/pylabdevs) (since this\nis work in progress there is currently an unfinished copy in this repository).\n\n## Tools\n\n### ```nanovnav2fetch```\n\nThe ```nanovnav2fetch``` is a very simple command line utility that\nallows one to fetch the S00 and S01 parameters as well as phases\nfrom the NanoVNA v2. Note that this utility always depends on ```numpy```\nand requires ```matplotlib``` to plot or show the traces.\n\n```\n$ nanovnav2fetch --help\nusage: nanovnav2fetch [-h] [--port PORT] [--debug] [--s00] [--s01] [--phases]\n [--show] [--plot [PLOT ...]] [--plottitle PLOTTITLE]\n [--label00 LABEL00] [--label01 LABEL01] [--npz NPZ]\n [--start START] [--end END] [--step STEP]\n\nNanoVNA v2 USB fetching utility\n\noptional arguments:\n -h, --help show this help message and exit\n --port PORT Port to access the NanoVNA v2 (default: /dev/ttyU0)\n --debug Enable debug mode on the NanoVNA v2\n --s00 Gather S00 values\n --s01 Gather S01 values\n --phases Gather phases for all enabled channels\n --show Display the rendered graphics (requires matplotlib)\n --plot [PLOT ...] Supply filename that will be used to plot graphics\n (required matplotlib)\n --plottitle PLOTTITLE\n Title for the plot\n --label00 LABEL00 Label for the S00 parameter\n --label01 LABEL01 Label for the S01 parameter\n --npz NPZ Dump data into supplied NPZ file\n --start START Start frequency in Hz (default: 50 MHz)\n --end END End frequency in Hz (default: 4.4 GHz)\n --step STEP Step size in Hz (default: 1 kHz)\n```\n",
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