DHT11 Temperature and Humidity Sensor
The DHT11 is a low-cost digital sensor for measuring ambient temperature and relative humidity. It provides a calibrated digital signal and is commonly used with Arduino and other microcontrollers in basic environmental monitoring projects.
Key Specifications
- Supply voltage: 3V to 5.5V DC
- Digital signal output
- Typical humidity range: 20% to 90% RH
- Typical temperature range: 0°C to 50°C
- Humidity accuracy: Approximately ±5% RH
- Temperature accuracy: Approximately ±2°C
Common Applications
- Weather stations and room monitors
- Incubator and greenhouse prototypes
- Home automation and ventilation projects
- Arduino learning and sensor experiments
For stable readings, follow the recommended sampling interval and wiring requirements for the DHT11.
For a basic room-monitoring project, connect the DHT11 to an Arduino UNO R3 and follow the sensor library wiring and sampling guidance.
Explore more temperature and humidity sensors available from Robonation Pakistan.
For buyers looking for DHT11 sensor price in Pakistan, this module is a practical choice for learning and basic room monitoring where modest accuracy and a slow sampling rate are acceptable. It is not intended for precision laboratory measurement. For code setup and supported examples, consult the Arduino DHT sensor library reference.
Frequently Asked Questions
What does the DHT11 measure?
It provides digital measurements of ambient temperature and relative humidity.
What are the typical DHT11 measurement ranges?
The commonly specified ranges are approximately 0°C to 50°C for temperature and 20% to 90% RH for humidity.
Is the DHT11 suitable for precision measurement?
No. It is a low-cost sensor for learning and basic monitoring. Follow its sampling interval and use a higher-accuracy sensor for precision work.
How often should the DHT11 be sampled?
The DHT11 has a relatively slow update rate. Follow the timing guidance in the selected library and avoid requesting readings more frequently than the sensor supports.
Can the DHT11 be used in an incubator project?
It can support learning and basic monitoring prototypes, but its modest accuracy means critical incubation control should use appropriately validated sensing and independent safeguards.






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