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HWg-STE Ethernet thermometer

Submitted by Mauro Cicolella on 2012, September 26 - 16:23
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Development Status: 
Stable Release
Mauro Cicolella
Tested on: 
Download Link: 
Download Link: 
Short Description: 

This plugin reads values from an ethernet thermometer by


This plugin reads values from an ethernet thermometer by You can connect to it up to two sensors of temperature and humidity. Indoor/outdoor sensors available. Even temperature sensor with flat cable for temperature monitoring in the fridges. More details at

How to install this plugin

Please follow the instruction for sensors and actuators on the user tutorial

How it works

The plugin works sending periodically SNMP (Simple Network Management Protocol) request to the device using the OID (Object Identifier) specified by the manufacturer (

How to configure it manually

All the configuration parameters are included in the hwgste-manifest.xml file. You can use it without any changes.

Each thermometer data are included in a <tuple></tuple> block where you need to specify:

  1. ip address of the device
  2. number of sensors (two by default) 


How to read temperature

Add a thermometer object to your Freedomotic environment:

  1. Right click on the thermometer in the environment to show its configuration panel
  2. Change the property "protocol" to "hwgste"
  3. Change the property "address" to a string composed of HWG-STE-ADDRESS:SENSOR-ID  where HWG-STE-ADDRESS is the ip address of your device and SENSOR-ID is the id of your monitoring sensor. An example address can be " The plugin is able to read any relay status change and update the object one.
  4. Under "temperature" (in Data Sources) select from the list "HWg-STE reads temperature"

Source code

The source code is available here.

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