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This module is primarily controlled by esp8266-01 / esp-01s, and the DHT11 is the temperature and humidity sensor.
The temperature and humidity from the ESP8266 are sent to the server.
It supports DC power supply of 3.7 v-12v.
It can be used as a temperature and humidity collection node for smart homes or Internet of Things (IoT) projects.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.