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เซนซอร์วัดอุณหภูมิและความชื้น DHT21/AM2301A capacitive digital temperature and humidity sensorNote: DHT21 has been renamed AM2301 1. Relative humidity and temperature measurement
2. Full calibration, digital output
3. The long-term stability of
4. No additional parts required
5. Super long signal transmission distance
6. Ultra-low energy consumption
7. 4 -pin mounting
8. Full interchange
AM2301/DHT21 Product Overview AM2301/DHT21 digital temperature and humidity sensor 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 long-term stability. The sensor includes a capacitive humidity sensing element and an NTC temperature measuring element, and is connected with a high - performance 8-bit microcontroller . Therefore, the product has the advantages of high quality, ultra-fast response, strong anti-interference ability, and high cost performance. Each AM2301/ DHT21 sensor is calibrated in a very high humidity calibration chamber. The calibration coefficients are stored in the OTP memory in the form of a program, and the sensor needs to call these calibration coefficients during the processing of the detection signal. The single Ultra-small size, extremely low power consumption, and the signal transmission distance can reach more than 20 meters, making it the best choice for various applications and even harsh applications. The product is a 4 -pin single-row lead package. The connection is convenient, and the special package form can be provided according to user needs.
Application field
1. Description of sensor performance
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Exchange or return policy
Every item comes with a 30-day warranty. However, there are certain conditions that apply:
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The customer should not be responsible for any self-inflicted damage, such as incorrect power connections (for example, supplying 5V instead of the required 3.3V for a sensor).
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The product must be in perfect condition, without any breakage or damage caused by electricity (e.g., short circuits leading to electrical fires).
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The store does not accept product exchanges due to customer misunderstandings, such as purchasing the wrong size for their project or buying something without eventually using it. Customers can inquire about the product details and ensure compatibility before making a purchase by contacting us through our Line account @modulemore during business hours. Please note that there may be delays in response between 12:00 PM and 2:00 PM.
Return Policy: To initiate a product return, customers must provide the original receipt or a copy for quick verification. Returns can be sent to our store address by following these guidelines:
- Provide a detailed description of the damaged item(s).
- Mention any tests or experiments conducted by the customer.
Please note that the store reserves the right to make the final decision regarding product replacement or refund.
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Arduino compatible board, Iot, ESP32, ESP8266, Nodemcu, Raspberry pi, micro:bit and etc.
Mobile number : 0831710868
E-mail : paheyisoicus@gmail.com
E-mail : paheyisoicus@gmail.com
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