ESP8266 ESP01 DHT11 Board Temperature Humidity Sensor Wifi IoT Module

Description:
This module is mainly controlled by esp8266-01 / esp-01s, and DHT11 is the temperature and humidity sensor.
The temperature and humidity of ESP8266 are uploaded to the server.
Support 3.7 v-12v DC supply (3.7 v lithium battery).
It can be used as a temperature and humidity collection node for smart home or IOT projects.

Features:
* main control: esp-01 / esp-01s (this module does not include esp-01 / esp-01s)
* temperature and humidity sensor: DHT11
* working voltage: DC 3.7 v-12v (support for 3.7V lithium battery)
* measurement range: 20-90% RH 0 to 50 °
* accuracy of measurement: temperature: plus or minus 2 ° humidity + / – 5% RH