Generate a perfectly fitted, 3D-printable case for your Generic DHT22 Temperature/Humidity Sensor Module. Verified 28x12mm base dimensions with Above-board is dominated by the DHT22 body height (9mm); below-board minimal.
Temperature/humidity sensor requires airflow contact for accurate readings. Sealed installations create a microclimate 3-5°C above and 10-20% RH below ambient due to self-heating and moisture trapping.
PETG for indoor use. ASA is the outdoor default for its UV and moisture stability. ABS serves mid-tier semi-outdoor installations. The DHT22's slower response time (2-3s) makes the enclosure-ventilation coupling especially important.
Sensor body must be exposed to airflow — blocked vents cause lagged readings and condensation.
Humidity recovery after condensation takes hours — enclosure should drain liquid water away from the sensor body.
Minimum 30s polling interval (not more frequent) — self-heating biases temperature upward.
Module variants omit the 5kΩ pull-up — if using the bare sensor, add external pull-up before enclosing.
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Mechanical properties are estimates. Validate critical loads before use.