HDC1080 High Accuracy Digital Humidity Sensor Texas Instruments HDC1080 High Accuracy Digital Humidity Sensor is a digital humidity sensor with an integrated temperature sensor. This sensor provides excellent measurement accuracy at very low power. The HDC1080 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated. Typical applications include HVAC, smart thermostats & room monitors, printers, handheld meters, medical devices, and wireless sensors.