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Python implementation of the IMPBUS-2 data transmission protocol.

Project description

IMPLib2: Python implementation of the IMPBUS-2 protocol.

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Before you can start using the IMPLib2 software you have to make sure,
that you have at least the following software packages installed.

- Python (
- PySerial (

For instructions on how to get and install these packages on your OS
please head over to the official project pages.


Install the stable branch using pip::

pip install implib2

Of if you brave enough::

pip install git+

Depending on your system you may have to prefix these commands with ``sudo``!

Quick Start Manual

This small quick start manual is intended to give you a basic example of
how to use this library. In order to start playing with it you have to
connect at least one `Trime
Pico <>`__ moisture measurement
probe to your computer. An easy way to connect the probe is by using the
USB-IMPBus Converter `SM-USB <>`__.

After successfully installing IMPLib2 and connecting, start the Python
Shell within your terminal::

$ python
Python 3.6.2 (default, Jul 17 2017, 16:44:45)
[GCC 4.2.1 Compatible Apple LLVM 8.1.0 (clang-802.0.42)] on darwin
Type "help", "copyright", "credits" or "license" for more information.

Import the IMPLib2 module::

>>> import implib2

Now initialize the IMPBus, sync and scan for connected Modules. Replace
the USB Interface with the one your SM-USB uses::

>>> bus = implib2.Bus('/dev/ttyUSB0')
>>> bus.sync()
>>> bus.scan()
(10010, 10011)

As you can see we found two connected modules with the serial numbers
10010 and 10011. Now we can instantiate the module objects::

>>> mod10 = implib2.Module(bus, 10010)
>>> mod11 = implib2.Module(bus, 10011)

Using the handy module objects we can now perform various higher
operations, like doing a measurement or requesting the serial number::

>>> mod10.get_moisture()
>>> mod11.get_moisture()
>>> mod10.get_serno()


If you came so far you should be able to easily build a little script
which performs an measurement on all connected probes ones an hour::

#!/usr/bin/env python

import time
import implib2

# Initialize the IMPBus2
bus = implib2.Bus('/dev/ttyUSB0')

# Search the bus for connected modules
modules = [implib2.Module(bus, serno) for serno in bus.scan()]

# Start a measurement and show the results once an hour
while True:
for module in modules:
serno = module.get_serno()
moist = module.get_moisture()
temp = module.get_measure(quantity='MeasTemp')
print('Module {}: Moist {}, Temp {}'.format(serno, moist, mtemp))

time.sleep(3600) # for one hour

For more and in depth information please head over to the API-Documentation on
`Read the Docs <>`__.

.. include:: LICENSE.txt

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