fs9721 1.0

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.