DHT11 ESP8266 Temperature Humidity Sensor with ESP-01 ESP-01S Module Wifi Node MCU Smart Home IOT

Features:

• This module uses ESP8266 ESP-01/01S as the master control, and DHT11 as temperature and humidity sensor.

• Randomly send ESP-01S or ESP-01

• Working voltage: DC 3.7V-12V (supports 3.7v lithium battery)

• Measuring range: 20-90% RH 0-50 ℃

• Measurement accuracy: temperature: ± 2 ℃ humidity ± 5% RH

• It can be used as temperature and humidity collection node for smart home or IOT project. 

Applications:

• Connect power supply 3.7V-12V DC to VCC GND (pin 2.54mm).

• Download program to ESP-01S.

• Insert ESP-01S into the 2*4 Pin row (in the direction of the arrow).