Additionally, the 5th gen Echo Dot retains the temperature sensor from its predecessor, which helps trigger routines based on room temperature.

Source: https://www.irishexaminer.com/business/technology/arid-41235988.html

Sensors on board include an accelerometer, ambient light sensor, e-compass, gyroscope, proximity sensor, temperature sensor.

Source: https://www.gadgets360.com/mobiles/news/oneplus-nord-ce-3-5g-sale-date-august-12-price-in-india-rs-26999-specifications-features-4257598

The white-coloured infrared temperature sensor is expected to act as a contactless thermometer.

Source: https://www.gadgets360.com/mobiles/news/google-pixel-8-pro-design-expected-built-in-thermometer-leak-specifications-features-report-4047589