DHT11 Temperature & Humidity Sensor Module

The DHT11 Temperature Sensor is a low-cost digital sensor used to measure temperature and humidity. It provides calibrated digital output, making it easy to interface with Arduino, ESP32, and other microcontrollers without the need for analog conversion. Due to its simplicity and reliability, DHT11 is widely used in STEM education, beginner electronics, and IoT prototype projects.

Key Features

• Sensor Type: DHT11

• Measured Parameters: Temperature & Humidity

• Temperature Range: 0°C to 50°C

• Humidity Range: 20% to 90% RH

• Accuracy: ±2°C (temperature), ±5% RH (humidity)

• Operating Voltage: 3.3V – 5V DC

• Digital Single-Wire Output

• Low Power Consumption

Applications / Arduino Projects

• Weather monitoring stations

• Room temperature & humidity display

• Smart home & IoT projects

• Greenhouse monitoring

• School & STEM electronics experiments

Compatibility

• Arduino Uno / Nano / Mega

• ESP32 / ESP8266

• Raspberry Pi

• Other digital-input microcontrollers

How It Works

• The sensor contains a thermistor and humidity sensing element

• Data is sent digitally via a single data pin

• No ADC required, easy to read using libraries