15-03-2024
Satisfied with the product
Pretty Accurate and Consistent! Tested with RPI 2 Model B. It's a good product at an attractive price point.
Robocraze
DHT22 Temperature Sensor
DHT22 Temperature Sensor
Regular price
Rs. 149
Regular price
Rs. 229
Sale price
Rs. 149
Unit price
per
Incl. GST (No Hidden Charges)
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BEST COUPON FOR YOU
FLAT ₹ 100/- OFF
RC100
When you shop for ₹ 2500 or more.Applicable on Checkout.
*Coupons are not applicable on Original Boards and Kits
- Ultra-Low Power.
- No Additional Components.
- Long Distance Signal Transmission.
- All Calibration, Digital Output & Completely Interchangeable.
- Relative Humidity & Temperature Measurement.
- Humidity Measurement Precision: ±2-5% RH.
- Temperature Measurement Precision: ±0.5 deg C.
DHT22 Temperature Sensor
DHT22 Sensor is a premium quality Humidity & Temperature Sensor from Techtonics. Moglix is a well-known e-commerce platform for a qualitative range of Humidity & Temperature sensors. All DHT22 sensors, TECH1120 are manufactured by using quality-assured material and advanced techniques, which make them up to the standard in this highly challenging field.
DHT22/AM2302 Digital Temperature & Humidity Sensor is a low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin (no analog input pins needed).
It's fairly simple to use but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so sensor readings can be up to 2 seconds old. Simply connect the first pin on the left to 3-5V power, the second pin to your data input pin, and the rightmost pin to the ground. Although it uses a single wire to send data it is not Dallas One Wire compatible! If you want multiple sensors, each one must have its own data pin.
check out : DHT22 Temperature Sensor ( Pack of 25)
PACKAGE INCLUDES:
- 1 x DHT22 Temperature Sensor
SPECIFICATIONS:
| Measuring range Temperature | -40 to 80 ℃ |
| Measuring Range Humidity | 0 to 99.9%RH |
| Resolution Temperature | 0.1 ℃ |
| Resolution Humidity | 0.1%RH |
| Dimensions | 3 x 2 x 1 cms |
| Weight | 5 grams |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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ADDITIONAL RESOURCES
1. WHAT IS DHT22? HOW TO SET UP THE DHT22 TEMPERATURE SENSOR?
- The DHT22 Digital Temperature and Humidity Sensor Module AM2302 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin
Simply connect the first pin on the left to 3-5V power, the second pin to your data input pin and the rightmost pin to ground. Although it uses a single-wire to send data it is not Dallas One Wire compatible! If you want multiple sensors, each one must have its own data pin.
2. WHAT IS DIFFERENCE BETWEEN DHT11 AND DHT22 SENSORS?
- Both units use a capacitive humidity sensor and a thermistor to measure the surrounding air, and output a digital signal on the data pin (no analog input pins needed), to be easily read by a microcontroller. They are basic and slow, but great for small scale projects that require basic data logging.
- The DHT11 is less precise, works in a smaller range of temperature/humidity, and is slightly slower, but also features a lower price point and a smaller form factor. If accuracy is important for your project, and you don't mind the higher price, go for the DHT22. Otherwise, the DHT11 should be good enough
3. WHAT IS THE WORKING PRINCIPLE OF DHT22 SENSOR?
- DHT22 sensor consists of a capacitive humidity sensing element and a thermistor for sensing temperature. The humidity sensing capacitor has two electrodes with a moisture holding substrate as a dielectric between them. Change in the capacitance value occurs with the change in humidity levels. The IC measure, process this changed resistance values and change them into digital form.
For measuring temperature this sensor uses a Negative Temperature coefficient thermistor, which causes a decrease in its resistance value with increase in temperature. To get larger resistance value even for the smallest change in temperature, this sensor is usually made up of semiconductor ceramics or polymers.
