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Two small blue circuit boards with sensor chips and wires attached

KEHIPI

KEHIPI control sensor

SKU CH-G4QD-S9G3K

Two DHT11 modules measure temperature 0-50°C and humidity 20-95% with digital output for Arduino or Raspberry Pi projects

  • Measures temperature 0-50°C with ±2° accuracy
  • Monitors humidity 20-95% RH with ±5% precision
  • Operates on 3.3V-5.5V DC for broad compatibility
  • Single-wire digital output simplifies microcontroller integration
  • Includes two DHT11 modules for multiple sensing points

DHT11 Sensor Module Pair

The KEHIPI supplies two DHT11 digital temperature and humidity sensor modules. Each unit provides a calibrated single-wire output for straightforward integration with Arduino or Raspberry Pi platforms. Makers and hobbyists building environmental monitors or automation prototypes can use these sensors for basic climate data logging. Buyers who need wider measurement ranges or higher accuracy should consider alternative sensor types.

Operating Range And Power Draw

The sensors operate from a 3.3 to 5.5 V DC supply and draw minimal current during readings. Humidity is measured from 20 to 90 % RH with a ±5 % RH tolerance, while temperature covers 0 to 50 °C with a ±2 °C tolerance. The single-bus digital interface keeps wiring simple and power consumption low for battery-powered or always-on projects. No active cooling or thermal management is required for normal operation.

Wiring And Integration Benefits

Each module includes pre-attached wires and a three-pin layout covering VCC, GND and a digital output pin. This arrangement reduces soldering effort and speeds up breadboard or perfboard assembly. The supplied pair allows simultaneous monitoring at two locations or provides a ready spare for testing. Users who require analog output or I2C communication will need a different sensor design.

Highlights

  • Measures temperature 0-50°C with ±2° accuracy
  • Monitors humidity 20-95% RH with ±5% precision
  • Operates on 3.3V-5.5V DC for broad compatibility
  • Single-wire digital output simplifies microcontroller integration
  • Includes two DHT11 modules for multiple sensing points

Specifications

BrandAITRIP

Questions about this item

How do I wire the DHT11 sensor to a 3.3 V microcontroller and which pin do beginners often connect incorrectly?

Connect VCC to 3.3 V, GND to ground, and DO to a digital IO pin; the common mistake is leaving DO floating without the required pull-up resistor.

What long-term drift should I expect from the humidity reading and when would the module need replacement?

Long-term stability is rated under ±1 %RH per year; replace the module once drift exceeds your application tolerance.

At what humidity level does the DHT11 stop giving valid readings during continuous logging?

The sensor is specified up to 90 %RH; sustained exposure above this limit causes the output to become unreliable first.

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