DHT22 Digital Temperature and Humidity Sensor-Standard Quality
The DHT22 Digital Temperature and Humidity Sensor (Standard Quality) is an affordable, easy-to-use sensor that measures both temperature and humidity. It utilizes a capacitive humidity sensor and a thermistor to detect environmental conditions, outputting a digital signal on the data pin—no need for analog input.
While the sensor is straightforward to use, it requires careful timing to read the data. One limitation is that you can only retrieve new data every 2 seconds, meaning sensor readings may be up to 2 seconds old when using the provided library.
To use the DHT22, simply connect the leftmost pin to a 3-5V power source, the middle pin to your data input, and the rightmost pin to ground. Although it sends data via a single-wire connection, it is not compatible with Dallas One Wire protocol. If you plan to use multiple sensors, each one must have its own dedicated data pin.
Features
Relative humidity and temperature measurement
Calibrated digital signal
Outstanding long-term stability
Extra components not needed
Long transmission distance
Low power consumption
4 pins packaged and fully interchangeable
Specifications:
| Operating range | humidity 0-100%RH |
|---|---|
| Accuracy | humidity ±2%RH (Max ±5%RH) |
| Humidity Measurement Precision | ±2-5% RH |
| Length (mm): | 33 |
| Width (mm): | 15.5 |
| Height (mm): | 8 |
| Weight (g): | 3 |
Applications
Measure temperature and humidity
Local Weather station
Automatic climate control
Environment monitoring
Package Includes
1 x DHT22 Digital Temperature and Humidity Sensor – Standard Quality
Datasheet
Tutorial
https://www.instructables.com/How-to-use-DHT-22-sensor-Arduino-Tutorial/
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| Model | DHT22 |
|---|---|
| SKU | AI0433 |
| Weight | 0.0 kg |
| Availability | In Stock |
Applications & Use Cases
The DHT22 Digital Temperature and Humidity Sensor-Standard Quality is a versatile temperature & humidity sensor used across a wide range of applications including weather stations, greenhouse monitoring, HVAC systems, cold chain logistics, and server room monitoring.
Common use cases:
- Building a home weather station with Arduino
- Monitoring greenhouse conditions via IoT
- Alerting when server room temperature exceeds threshold
This product is ideal for IoT developers, agricultural engineers, and home automation enthusiasts.
Technical Tip: DHT22 offers better accuracy than DHT11. For precision applications, use SHT31 or BME280. Ensure adequate ventilation around the sensor.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
Amit Panchal (verified owner) –
Great DHT22 Digital Temperature and Humidity Sensor-Standard. Using it in my smart agriculture system. Reliable measurements every time.
Kiara Menon (verified owner) –
Superb DHT22 Digital Temperature and Humidity Sensor-Standard! Using it in my environmental monitoring system. Very reliable data.
Vidya Hegde (verified owner) –
Nice DHT22 Digital Temperature and Humidity Sensor-Standard. Readings are mostly accurate. Good enough for my hobby project.
Kunal Patil (verified owner) –
Good DHT22 Digital Temperature and Humidity Sensor-Standard. Works as described. Calibration needed some patience but results are good.
Meera Bisht (verified owner) –
Love this DHT22 Digital Temperature and Humidity Sensor-Standard. Response time is fast and readings are stable.
Karan Jain (verified owner) –
Very satisfied with this DHT22 Digital Temperature and Humidity Sensor-Standard. Library support is good and it’s easy to interface.
Rashmi Mishra (verified owner) –
Perfect for my weather station. This DHT22 Digital Temperature and Humidity Sensor-Standard gives consistent readings day and night.
Pankaj Grewal (verified owner) –
Nice DHT22 Digital Temperature and Humidity Sensor-Standard. Readings are mostly accurate. Good enough for my hobby project.
Anil Kamath (verified owner) –
Superb DHT22 Digital Temperature and Humidity Sensor-Standard! Using it in my environmental monitoring system. Very reliable data.
Kunal Pandey (verified owner) –
Very satisfied with this DHT22 Digital Temperature and Humidity Sensor-Standard. Library support is good and it’s easy to interface.