DHT11 Temperature and Humidity Sensor with WiFi ESP8266 Arduino

DHT11 temperature and humidity sensor module. After connecting to the ESP8266 system, we can remotely view specific parameters using a smartphone or computer via wi-fi.

Specification:

DHT11

Power supply: 3 - 5.5V

average current consumption: 0.2 mA

Temperature Measurements

Measuring range: 0 - 50 ° C

Resolution: 8-bit (1 ° C)

Accuracy: 1 ° C

Response time: 6 - 15 s (typically 10 s)

Moisture Measurement:

Measuring range: 20 - 90% RH

Resolution: 8-bit (1% RH *)

Accuracy 4 RH * (at 25 ° C)

Measuring range: 6 - 30 s

WiFi module: ESP8266

Communication: UART (a USB-UART converter is required for programming)

Supports WiFi 802.11 b, g, n standard

It works at a frequency of 2.4 GHz

3 working modes: STA, AP, STA + AP

It supports AT commands

It has a built-in PCB antenna

Maximum transmission distance: 400m

Kit Contents:

- DHT11 temperature and humidity sensor - 1 pc

- ESP8266 WiFi module - 1 pc