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Project description
Easily gather measurements from your multimeter using the Fortune Semiconductors FS9721_LP3 protocol.
Installation
Install from Github directly:
git clone https://github.com/coddingtonbear/python-fs9721.git cd python-fs9721 python setup.py install
or, install from PyPI using pip:
pip install fs9721
Use as a Library
Create the client you’ll use for gathering measurements first. Using the path to the serial device, create an instance of fs9721.Client:
from fs9721 import Client my_multimeter = Client('/dev/tty.usbserial')
Then, you can gather measurements from your multimeter using:
print(my_multimeter.getMeasurement())
Command-Line Use
Just run:
fs9721 /path/to/serial/port
For example, on my computer the device is connected via the serial port at /dev/tty.usbserial, for me to gather measurements directly from the multimeter, I would run:
fs9721 /dev/tty.usbserial
Does this support my multimeter?
This library should support any multimeter using the Fortune Semiconductors FS9721_LP3 chip. Common multimeters using this chip are often low-end and include the following:
TekPower TP4000ZC
UNI-T_UT60E
V&A V18b
Voltcraft VC-820 and VC-840
If your multimeter is not on the above list, do not despair! This specific IC is very common, and it may very use this chip. Sigrok has a nice reference of which chips various multimeters use; search for your multimeter on their wiki to see if yours also uses this DMM IC.
Project details
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