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DHT11 Temperature and Humidity Sensor Module

Original price was: ₹149.00.Current price is: ₹99.00.

Accurate and affordable DHT11 Digital Temperature & Humidity Sensor Module.
Provides calibrated digital output via a single-wire interface.
Ideal for STM32, Raayan Mini, Arduino, ESP32, and IoT-based environmental monitoring.

Key Features

  • Measures temperature (0°C–50°C) and humidity (20%–90% RH).

  • Digital signal output via single-wire communication (easy to interface).

  • Low power consumption – ideal for battery-powered IoT nodes.

  • Fully calibrated – no external components or calibration required.

  • Compact & easy-to-use 4-pin module (VCC, GND, DATA, NC).

  • Stable and repeatable readings suitable for long-term use.

  • Compatible with 3.3 V and 5 V logic systems (STM32, Arduino, ESP32).

Package Includes

  • 1 × DHT11 Temperature & Humidity Sensor Module

  • 1 × 3-pin Male Header (pre-soldered)

20 in stock

Category:

Description

The DHT11 Sensor Module is a simple and reliable digital temperature and humidity sensor designed for indoor environmental monitoring and educational embedded projects.

It integrates a capacitive humidity sensor and a thermistor-based temperature sensor on a single chip, providing calibrated digital output via a one-wire serial interface.

The sensor features high stability, long-term accuracy, and low power consumption, making it ideal for both beginner projects and industrial prototypes.

Perfect for:

  • IoT & weather-monitoring systems

  • Smart home automation (temperature control, fan/AC systems)

  • Environmental logging & data acquisition

  • Student lab projects (STM32, Raayan Mini, Arduino, ESP32)

  • Real-time monitoring displays with LCD/OLED

Technical Specifications

Parameter Specification
Model DHT11
Supply Voltage 3.3 V – 5.5 V
Interface Single-Wire Serial Digital
Temperature Range 0°C – 50°C
Temperature Accuracy ±2°C
Humidity Range 20% – 90% RH
Humidity Accuracy ±5% RH
Sampling Period 1 sample per second (1 Hz)
Output Signal Digital (TTL)
Dimensions 15.5 mm × 12 mm × 5.5 mm
Operating Current < 2.5 mA (active), 100 µA (standby)

Reference Manual:

link

Usage Tips

  • Connect VCC → 3.3 V/5 V, GND → GND, DATA → MCU input pin.

  • Use a 10 kΩ pull-up resistor between DATA and VCC for stable readings.

  • Recommended sampling rate: once every 5 seconds for accurate results.

  • Excellent for integration with Raayan Mini boards in IoT lab projects.

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