About this item

• This module takes ESP8266-01/ESP-01S as the main control, and DHT11 is a temperature and humidity sensor
• The temperature and humidity in the ESP8266 collection environment are uploaded to the server
• Support 3.7v-12V DC power supply (3.7V lithium battery)
• It can be used as a temperature and humidity collection node in a smart home or IoT projects
• The measurement range of this module is 20% - 90% RH; 0℃－50℃

Characteristics:
Master control: ESP-01/ESP-01S (this module does not include ESP-01/ESP-01S)
Temperature and humidity sensor: DHT11
Working voltage: DC 3.7V-12V (supporting 3.7v lithium battery power supply)
Measuring range: 20%-90% RH 0℃-50 ℃
Measurement accuracy: temperature: ± 2 ℃; humidity: ± 5% RH
Application example:
Power supply: 3.7V-12V DC power is connected to VCC GND (2.54mm row pin)
Download the program to ESP-01S (this connection does not include this wireless module)
Insert ESP-01/ESP-01S (this connection does not include this wireless module) into the 2 * 4 Pin bus (in the direction of the arrow)