Description:
This module uses ESP8266-01/ESP-01S (without ESP-01S or ESP-01) as the master control, and DHT11 as temperature and humidity sensor.
ESP8266 collects the temperature and humidity in the environment and uploads to the server. It supports 3.7v-12V DC power supply (3.7V lithium battery). It can be used as temperature and humidity collection node for smart home or IOT project.
Parameter:
NO.
Parameter
Value
1
Host
ESP-01/ESP-01S (without ESP-01S or ESP-01)
2
Temperature and humidity sensors
DHT11
3
Operating voltage
DC 3.7V-12V (support 3.7V lithium battery power supply)
4
Measuring range
20-90%RH 0-50 Celsius
5
measuring accuracy
Temperature: +/- 2, humidity +/- 5%RH
Application Example:
1>. power supply: 3.7V-12V DC power VCC GND (pin 2.54mm) received.
2>. download program to ESP-01S/ESP-01 (without ESP-01S or ESP-01).
3>. insert ESP-01/ESP-01S (without ESP-01S or ESP-01) into the 2*4 Pin row (in the direction of the arrow).
About Connection:
1>.TCP Server serial prints information
2>.DHT11 client sends temperature, humidity, and count to the server
3>.DHT11 add sleep function
4>. Initializers the add restart function. If the connection fails 10 times, restart the module.
Circuit Diagram:
Tested by ICStation's Outstanding Partner arduinoLab:
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