IP thermometer for reading temperature via LAN with LED display


Nano Temperature Sensor PoE is an IP thermometer designed for remote temperature reading via Ethernet.The module has been equipped with an LED display which shows the current temperature reading from the 1-Wire DS 18B20 sensor. The device is powered by PoE (Power over Ethernet) compliant with IEEE 802 3af.


The sensor is equipped with a web server, thanks to which user can communicate with it using standard internet browsers. Preferred browsers are MOZILLA FIREFOX, OPERA, CHROME.

Communication can also take place from the Windows / Linux command line via the HTTP protocol, as well as via the Modbus TCP protocol via its own application (shared protocol).


Nano Temp PoE can cooperate with other modules of the Nano and Lantick series and, via the M2M connection, create a path for remote alarm switching after exceeding the set temperature.

With the ITR application provided by the manufacturer, the user can monitor a reading from 4 sensors simultaneously on one monitor.

Technical data

Supported protocols:

  • HTTP (Get)
  • SNMP (Trap)
  • Modbus TCP
  • TCP (shared protocol)
  • MQTT Inveo

Power supply:

  • PoE IEEE 802 3af or 12-24VDC
  • Power consumption: 1,5W


  • 1 LAN connector
  • 1 RESET button
  • 1 screw connectors for the 1-Wire bus
  • 1 screw connection for 12-24 VDC power supply

Range of measured temperature:

  • from -55°C to +125°C


  • height: 27 mm; width: 74.6 mm; length: 50.1 mm


In the Nano Temperature Sensor module, we have access to several resources that can be read with the HTTP get protocol.

  • status.xml – resource  containing basic information about the module
  • temp1.txt – temperature shown in text form

Example of the status.xml resource:

The value <on> 00000001 </ on> means that it has overridden the temperature (alarm state).

Example of temperature reading by command CURL:

An example of how the MQTT service works:

The NANO Temperature Sensor sends the current temperature to the INVEO cloud.

Data is sent every 1 minute and every time they change. Having installed the appropriate application, we can read the temperature directly on the smartphone.

The advantage of using the MQTT INVEO service is that there is no need to route ports to the router. Simply connect the NANO Temperature Sensor to your home router, configure the application and enjoy the remote temperature reading.

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