Aqara Temperature Sensor AA Battery Adapter

Update: F3D files shared!

The Aqara temperature/humidity sensors are great but I needed to change battery in the one in my freezer far too often so I made this AA adapter.

The idea was to power a completely unmodified sensor from a pair of AA batteries.

You need the following

* 1x small piece of copper tape
* 2x short wires
* 1x 10mm M3 counter sunk screw
* 2x 5mm M3 counter sunk screw
* 1x 2xAA battery holder for the battery terminals and springs
* 2x AA batteries (obviously ;)
* solder and iron


1. Print everything, support should not be needed for any of the parts. Print the battery clip holders standing up.

2. Remove the battery terminals and springs from the AA battery holder.

3. Cut two small strips of copper tape that will enable the "dummy CR2032" to act as just that.

4. On the back side of the dummy CR2023, solder the wires to the c