ESP8266 ESP-01 ESP-01S DHT11 Temperature and Humidity WiFi Node

Product Description:
This compact and powerful module combines the ESP8266 ESP-01/ESP-01S WiFi microcontroller interface with the reliable DHT11 temperature and humidity sensor, offering a seamless solution for real-time environmental monitoring in IoT and smart home applications. Designed for users who prefer customization and development flexibility, this module allows you to program your own firmware and transmit environmental data wirelessly to your server or cloud platform.

Key Features:

• Compatible with ESP8266 ESP-01 and ESP-01S WiFi modules

• Integrated DHT11 sensor for accurate temperature and humidity readings

• Supports DC power input from 3.7V to 12V (compatible with 3.7V lithium batteries)

• Enables wireless data upload to server via WiFi

• 2.54mm standard pin header for power input

• Designed for DIY enthusiasts and developers

• Ultra-compact design for easy integration into smart devices and sensor nodes

• GPIO pins accessible for further customization or sensor expansion

Technical Specifications:

• Operating Voltage: 3.7V to 12V DC

• Sensor: DHT11

• Connectivity: WiFi (ESP8266-based)

• Compatible Modules: ESP-01, ESP-01S (not included)

• Communication: Serial

• Data Output: Temperature and Humidity readings

• Dimensions: Compact PCB form factor

How to Use:

1. Power the Module via 3.7V to 12V DC supply using VCC and GND pins.

2. Flash the ESP-01/ESP-01S with your custom program before use (programming tools not included).

3. Insert ESP-01/ESP-01S into the 2×4 pin socket in the indicated orientation.

4. Deploy in your IoT System to wirelessly monitor environmental data and send it to your server.
   
   

   is module uses ESP8266-01/ ESP-01S as main controller, and the temperature humidity sensor is DHT11. ESP8266 collects the environment temperature and humidity then upload to the server.
   This module can be used as a temperature and humidity acquisition for smart home or IOT project.

   Features

   • Master: ESP-01/ ESP-01S
   • Temperature and humidity sensor: DHT11

   Specifications

   • Working voltage: DC 3.7V-12V (it can be powered by 3.7v lithium battery)
   • Measuring range: 10-90% RH 0-50℃
   • Measuring accuracy: Temperature: ±2℃ Humidity: ±5% RH

   Application Examples

   • 1. Power supply: 3.7V-12V DC power supply connected to VCC GND (2.54mm pin)
   • 2. Download the program to ESP-01S
   • 3. Insert ESP-01/ ESP-01S into the 2 * 4 Pin (in the direction of the arrow), show as below:

   

   • 4. Temperature and humidity sent to another WiFi module, the serial display: show as below:

   

   

   Package list

   • ESP8266 esp-01/ ESP-01S DHT11 Temperature Humidity Module x 1

   Wiki & External links

   • Manual and techsupport

Applications:

• Smart home environmental monitoring

• IoT sensor networks

• Weather stations

• Agriculture and greenhouse automation

• Remote temperature and humidity monitoring

• Educational and DIY electronics projects

Package Includes:

• 1 x ESP8266 ESP-01/ESP-01S DHT11 Temperature and Humidity Sensor Module
  Note: ESP-01/ESP-01S module is not included.

Why Choose This Product?
Offering excellent performance, low cost, and ease of integration, this sensor module is a must-have for hobbyists, developers, and engineers working on IoT, automation, and data monitoring systems. With support for popular ESP-01/01S modules and flexible voltage input, it’s perfect for both portable and fixed installations.

Take control of your environment and start building your smart home or IoT network today with this versatile and reliable sensor module!