Filament dry box that texts me when it's soggy
A heated, sealed box with an SHT31 sensor, reporting humidity per spool to Home Assistant.
- Build time
- 4 h
- Cost
- $26
- Filament
- 180 g
- Difficulty
- Easy
Why a dry box
Wet filament prints stringy and brittle. A sensor that tells me the humidity inside the box beats guessing.
The sensor
An SHT31 over I2C is enough. ESPHome does the rest.
humidity.yaml
sensor:
- platform: sht3xd
temperature:
name: Dry Box Temperature
humidity:
name: Dry Box Humidity
update_interval: 60sThis is a short sample post. Replace it with the real write-up.