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Description

MINIMUM TECH FEATURES

  • Digital temperature and humidity sensor
  • Operating Voltage: 3.3V to 5V
  • Temperature Range: 0°C to 50°C
  • Humidity Range: 20% to 80% RH
  • Temperature Accuracy: ±2°C
  • Humidity Accuracy: ±5% RH
  • Sampling Rate: 1 Hz (1 reading per second)
  • Output: Digital (single-wire protocol)
  • Interface: Proprietary single-wire communication
  • Dimensions: 15mm × 25mm × 7mm

DESCRIPTION

  • The DHT11 is a compact and cost-effective digital sensor capable of measuring both temperature and relative humidity.
  • It outputs data in digital form, making it easy to interface with microcontrollers like Arduino, ESP8266, ESP32, and Raspberry Pi.
  • It uses a single-wire communication protocol that includes start signals, data transmission, and checksum-based error checking.
  • Often provided as a module, it includes onboard resistors and capacitors for signal conditioning.
  • The DHT11 is housed in a protective casing with pre-soldered pins, providing durability and ease of integration.
  • The sensor requires minimal external components, making it suitable for beginners and quick project development.
  • Ideal for applications needing moderate accuracy in indoor environments.

TECHNICAL SPECIFICATIONS

ParameterValue
ModelDHT11
Supply Voltage3.3V ~ 5V
Supply Current0.3mA (measurement), 60µA (standby)
Temperature Range0°C ~ 50°C
Temperature Accuracy±2°C
Humidity Range20% ~ 95% RH
Humidity Accuracy±5% RH
Resolution16-bit
Output TypeDigital
Dimensions28 × 13.5 × 7 mm
Weight4–5 g
Shipping Weight0.03 kg
Shipping Dimensions5 × 4 × 3 cm

 

APPLICATIONS

  • Home Automation
  • Weather Stations
  • Greenhouses
  • HVAC Systems
  • Data Logging
  • Industrial Automation
  • Healthcare Monitoring
  • Educational & Research Projects
  • IoT Devices
  • Consumer Electronics

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