December 20, 2025
Description
Stand for cheap thermometer / hygrometer that replaces LR44 batteries with single AA battery as power source.
Thermometer / hygrometer module can be bought on aliexpress, amazon etc. Variant with and without sensor mounted on the cable is supported. Battery cages are available on the same websites. Secured with an M3x5 FHCS screw.
Uses LR44 battery to wire adapter:
These thermometer / hygrometer modules use two LR44 batteries in parallel, so only one adapter is needed.
Printed from PLA, 0.2mm layer height, no supports. Thermometer face down.
Design files (Fusion and step) are included.
AAA variant is also available:
License:
Creative Commons — Attribution — Noncommercial
8
Arek
