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A collectd plugin for monitoring AREXX Multiloggers

Project description

A collectd plugin for AREXX Multiloggers.

AREXX Engineering ( produces data loggers for monitoring temperature, humidity and CO2 levels. They consist of a base station (BS-500) and multiple wireless sensors. The base station can be connected to a PC over USB to download the data points and synchronize clock.

However, all Linux support they provide is a single statically linked binary, which can send data to a remote web server. This collectd plugin is based on on the Arexx Data Logger Daemon written by Martin Mares who reverse-engineered the communication protocol. It also uses code from the Python script of Jörg Rädler. See this post for more links.

This program is not supported or endorsed by AREXX in any way.



  1. pip install multilogger_collectd.
  2. Configure the plugin (see below).
  3. Restart collectd.


Add the following to your collectd config (typically /etc/collectd.conf):

<LoadPlugin python>
    Globals true

<Plugin python>
    Import "multilogger_collectd.multilogger_collectd"

    <Module multilogger_collectd>
        <Sensor "9531">
            Name "9531-living-room"
            Offset 0
        <Sensor "9784">
            Name "9784-office"
            Offset -0.8


This projected is licensed under the terms of the GPL v2.

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