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DHT22 Digital Temperature and Humidity Sensor Module Temp Humidity Monitor Sensor AM2302 Replace SHT15 SHT11 for Raspberry Pi
Warm Tips:
Our store support wholesale, the more quantity the more discount.
If you want to bulk order, please feel free to contact seller for wholesale price, looking forward to receive your inquiry, thanks! ^_^
1. Product overview
AM2302 Humidity Capacitor Digital Temperature and Humidity Module is a temperature and humidity composite sensor with calibrated digital signal output. It uses dedicated digital module acquisition technology and temperature and humidity sensing technology to ensure that the product has extremely high reliability and excellent long-term stability. The sensor includes a capacitive humidity sensing element and a high-precision temperature measuring element, and is connected with a high-performance 8-bit microcontroller. Therefore, the product has the advantages of excellent quality, ultra-fast response, strong anti-interference ability, and high cost performance. Each sensor is calibrated in an extremely accurate humidity calibration chamber. The calibration coefficients are stored in the single-chip microcomputer in the form of a program, and these calibration coefficients should be called in the process of detecting the signal inside the sensor. Standard single bus interface makes system integration easy and fast. Ultra-small size, extremely low power consumption, and signal transmission distance of more than 20 meters, making it the best choice for various applications and even the most demanding applications. The product is 3-lead (single bus interface) for easy connection. Special packaging forms can be provided according to user needs.
2. Scope of application
HVAC, dehumidifiers, testing and inspection equipment, consumer products, automotive, automatic control, data loggers, home appliances, humidity regulators, medical, weather stations, and other related humidity detection and control, etc.
3. Product Highlights
Ultra-low energy consumption, long transmission distance, all automatic calibration, capacitive humidity sensor, completely interchangeable, standard digital single bus output, excellent long-term stability, using high-precision temperature measuring components.
4. Product parameters
1. Working voltage: 3V--5.5V
2. Sensor model: AM2302 temperature and humidity sensor
3. Signal output form: digital signal
4. Temperature measurement range: -40℃--80℃
5. Measurement accuracy: 0.5℃
6. Humidity measurement range: 0--100%RH
7. Measurement accuracy: 2%RH
8. Resolution: 16 bit
5. wiring instructions
"+": connect to the positive pole of the power supply
"-": Connect to the negative pole of the power supply
"out": Connect to the IO port of the microcontroller




Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
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BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.
Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
3. Shipping Costs
Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
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Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.
5. Delivery Issues
If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
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