freedomotic

HWg-STE Ethernet thermometer

Description: This plugin reads values from an ethernet thermometer by HW-group.com

Type: Driver - Categories:

Development status: Stable Release

Tested on: All platforms

Developer: Mauro Cicolella

Overview

This plugin reads values from an ethernet thermometer by HW-group.com. 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 http://www.hw-group.com/products/HWg-STE/STE_ip_temperature_sensor_en.html

It works sending periodically SNMP (Simple Network Management Protocol) request to the device using the OID (Object Identifier) specified by the manufacturer (http://ste.hwg.cz/HWg-STE_OID.txt).

Configuration

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:

  • ip address of the device
  • number of sensors (2 by default)

How to read temperature

Add a thermometer object to your Freedomotic environment:

  • Right click on the thermometer in the environment to show its configuration panel
  • Change the property “protocol” to “hwgste”
  • 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 ste.hwg.cz:215. The plugin is able to read any relay status change and update the object one.
  • Under “temperature” (in Data Sources) select from the list HWg-STE reads temperature.