
Ups adaptor
aronreid/ups-to-esp32
Put a USB-only UPS on the network: an ESP32-S3 board and firmware that serves NUT on TCP 3493, with a web UI. No host computer, no Raspberry Pi.
KiCad boards from 6 GitHub repositories tagged “ups”, the most starred first; open any of them in PCBKit.

aronreid/ups-to-esp32
Put a USB-only UPS on the network: an ESP32-S3 board and firmware that serves NUT on TCP 3493, with a web UI. No host computer, no Raspberry Pi.


wkcollis1-eng/DIY-LiFePO4-UPS
12V LiFePO4 UPS for Home Assistant and network gear. First full outage validation (May 6, 2026): 217 min AC-off, 4.18 Ah / 53.3 Wh delivered, graceful shutdown via slope-based cliff_imminent trigger — confirmed…

enwi/PiSupply
Uninterruptable power supply for Raspberry Pi's, which can also power external HDDs


way5/tinyUPS
tinyUPS is the Control and Management Tool with SNMP Server for your UPS

wkcollis1-eng/DIY-LiFePO4-UPS
12V LiFePO4 UPS for Home Assistant and network gear. First full outage validation (May 6, 2026): 217 min AC-off, 4.18 Ah / 53.3 Wh delivered, graceful shutdown via slope-based cliff_imminent trigger — confirmed…