HKD DHT11 Temperature and Humidity Sensor Module for ESP8266 ESP-01/ESP-01S

The HKD DHT11 FOR ESP8266 ESP-01S is a compact and practical temperature and humidity sensor module designed specifically for use with ESP-01/ESP-01S Wi-Fi modules. It integrates a DHT11 sensor on a ready-to-use PCB, making it ideal for IoT, smart home, and environmental monitoring applications.

This module enables wireless environmental data acquisition by combining the reliable DHT11 sensor with the powerful ESP8266 Wi-Fi chip (not included). It supports a wide input voltage range from 3.7V to 12V DC, including compatibility with a single-cell lithium battery, allowing for flexible deployment in portable and battery-powered systems.

Key Specifications

Microcontroller Compatibility: Designed for ESP-01 or ESP-01S (not included)

Sensor Type: DHT11 - Digital temperature and humidity sensor

Working Voltage: DC 3.7V to 12V (supports 3.7V lithium battery)

Temperature Measuring Range: 0 C to 50 C

Humidity Measuring Range: 20% RH to 90% RH

Temperature Accuracy: 2 C

Humidity Accuracy: 5% RH

Output Signal: Digital (1-wire protocol via DHT11)

Use Case: Temperature and humidity data collection with Wi-Fi transmission via ESP8266

Features

Plug-and-Play Design: Onboard PCB with integrated DHT11 sensor for easy ESP-01(S) mounting

Wide Voltage Support: Operates from 3.7V to 12V, compatible with various power sources

Compact and Efficient: Small form factor ideal for embedded systems and space-limited environments

IoT-Ready: Enables real-time environment monitoring with Wi-Fi connectivity via ESP8266

Cost-Effective: Great choice for building budget-friendly IoT sensor nodes

Applications

Smart home environment monitoring

Wireless weather stations

IoT sensor nodes

Remote temperature and humidity data logging

Greenhouse and indoor climate control systems

Important Notes

ESP-01 or ESP-01S module required for operation (sold separately).

Ensure proper orientation when inserting the ESP module into the PCB socket.

For battery-powered applications, a 3.7V lithium cell is recommended.

The HKD DHT11 FOR ESP8266 ESP-01S is a smart, efficient solution for creating wirelessly connected environmental sensors. Whether you're developing a DIY home automation system or building an industrial IoT node, this module offers reliable performance in a compact and easy-to-integrate package.

What's in the box
1 × DHT11 Sensor Module for ESP8266 ESP-01/ESP-01S (ESP-01/01S not included)