Description

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