DHT11 Overview
1, the VDD power supply 3.5～5.5V DC 2 DATA serial data, a single bus 3, NC, empty pin 4, GND ground, the negative power Aosong(Guangzhou) Electronics Co.,Ltd. TEL：020-36042809 / 36380552 -2- .aosong. 6、Typical circuit Microprocessor and DHT11 of connection typical application circuit as shown above, DATA pull the microprocessor I / O ports are connected.