Wiesemann & Theis GmbH

Networking, sensors and interface technology for industry, office and IT

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Firmware:

Web Thermometer UV 2x

#57172

Current firmware
Date Changes and comments Revision
June 9, 2026
  • Internal timing optimized
  • Internal memory handling optimized
  • Watchdog monitoring optimized
  • Connection management optimized
Once you have updated to this firmware version, you will no longer be able to downgrade to versions earlier than v1.77
 1.81
UHD download
SHA-256 hash:
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Older firmware
Date Changes and comments Revision
April 24, 2026
  • SSL/TLS - TLS stack updated
  • SSL/TLS - Certificate management revamped
  • SYSLOG - Added support for sending debug information
  • OPC UA - Library update
  • Fixed an error in the HTTP request alert/notification
Once you have updated to this firmware version, you will no longer be able to downgrade to versions earlier than v1.77
 1.80
on request
December 12, 2025
  • Certificate handling optimized during upload
 1.79
on request
December 2, 2025
  • Basic initialization at system startup revised
  • Watchdog timing optimized
 1.78
on request
June 17, 2025
  • MQTT functionality optimized
  • MQTT <empty> tag added for sending an empty message
  • HTTP Request Message optimized
  • Messages - Replacement for <IP> corrected
  • Problem in cloud transfer fixed
  • Problem with block length of encrypted transmissions fixed
 1.76
on request
May 20, 2025
  • First firmware version
 1.75
on request
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