AM2302 sensor equivalent, digital temperature and humidity sensor.
Ultra-low power, the transmission distance, fully automated calibration, the use of capacitive humidity sensor,
completely interchangeable, standard digital single-bus ou.
and even the most demanding applications. Products for the 3-lead (single-bus interface) connection convenience. Special.
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）.
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