APPLICATIONS
HVAC, dehumidifier, testing and inspection equipment, consumer goods, automotive, automatic control, data loggers, home appliances, humidity regulator, medical, weather stations, and other humidity measurement and control and so on. 3、FEATURES
Ultra-low power, the transmission distance, fully automated calibration, the use of capacitive humidity sensor, completely interchangeable, standard digital single-bus output, excellent long-term stability, high accuracy temperature measurement devices. Aosong(Guangzhou) Electronics Co.,Ltd. TEL：020-36042809 / 36380552 -1- 4、The definition of single-bus interface 4.1 AM2302 Pin assignments Table 1： AM2302 Pin assignments Pin Name DESCRIPTION
① VDD Power (3.3V-5.5V) ② SDA Serial data, bidirectional port ③ NC Empty ④ GND Ground PIC1： AM2302 Pin Assignment 4.2 Power supply pins（VDD GND） AM2302 supply voltage range 3.3V - 5.5V, recommended supply voltage is 5V. 4.3 Serial data（SDA） SDA pin is tri structure for reading, writing sensor data.
Aosong
