1. The HDC302x family of humidity and temperature sensors includes the sensor itself, digitization, calibration, and an I2C interface, along with other functions and features.

He decided to take an in-depth look at the DHT11 sensor; which you can get your hands on for under $3 if you know where to look. The four-pin device uses a 1-wire protocol.

Renesas's HS400X families of relative humidity and temperature sensors deliver results within three seconds. These ultra-low-power devices come in a small, 2.5- × 2.5- × 0.9-mm, DFN-style 8-LGA ...