Dht22 Single Bus Digital Temperature And Humidity Sensor With Adapter Board AM2302 Module
Dht22 Single Bus Digital Temperature And Humidity Sensor With Adapter Board AM2302 Module
Specifications:
| Frequency | 2.4GHz ISM Band |
| Modulation | GFSK |
| Emission Power | ≤4dBm, Class 2 |
| Sensitivity | ≤-84dBm at 0.1% BER |
| Speed | Asynchronous: 2.1Mbps(Max) |
| Synchronous | 1Mbps |
| Security | Authentication And Encryption |
| Profiles | Bluetooth Serial Port |
| Power Supply | +3.3VDC 50mA |
| Working Temperature | -20 ~ +75 Centigrade |
Description:
Module Is Connected To The Indicator Output Pin, Which Is a High-Level Output. When Connecting The Led, Connect The Resistor In Series.Before Connection, The Lamp Pin Is Output At a Constant Low Level.After Connection, The Lamp Pin Is Always At a High Level.
FAQ:
1. What is the terms of payment?
L/C,D/A,D/P,T/T,Western Union,MoneyGram
2. What is the delivery time?
Normally, 1-5 workdays after payment;
Special requirement orders, delivery time is negotiable.
3. If the products can't work after receiving it,what should I do?
We will replace new items for you at once, and respect your final decision for wrong goods.
4. If the products don't meet my demand after I received it,can I return it?
Yes,no problem.You can return back to us, we will refund your full payment.
5. what is the warranty?
1-2 years warranty according to different products.
1-3 months to replace new items for free.
All products are tested strictly for 2-3 times before leaving factory. we have earned very good reputation in quality,Certified by the ISO9001.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.