Description

Visible model: DHT11.
Marked brand: ASAIR (Aosong); breakout-board manufacturer unconfirmed.
Interface: DHT single-data-line digital protocol. Manufacturer datasheet
Connections: Three-pin header for power, data and ground; VCC and GND are clearly labeled.
Construction: Blue ventilated sensor housing on a black PCB with a mounting hole and onboard resistor.
Potential applications: Room monitoring, simple weather stations and temperature/humidity data logging.