ESP32 NUT Server Bridge

ESP32-S3 firmware that bridges a USB-only UPS to the network as a standard NUT server, no Pi required.

Physical productfree

ESP32 NUT Server Bridge is a free, open-source ESP32-S3 firmware that turns a USB-only UPS into a network-accessible device using the standard NUT protocol, complete with a web UI, captive-portal setup, and browser-based OTA updates. It lets Home Assistant, TrueNAS, or Synology monitor the UPS without a dedicated Raspberry Pi. It is aimed at home-lab enthusiasts and NAS owners who want lightweight UPS network monitoring.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of ESP32 NUT Server Bridge - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

Claim ESP32 NUT Server Bridge to unlock →

Try Matchbox with your own problem

Describe what is not working - we’ll show you whether ESP32 NUT Server Bridge (or something else) actually fits.

Try a problem