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Free Shipping
On prepaid orders above INR 500
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Cash On Delivery
COD available for orders above INR 500
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3-5 Days Delivery
Shipped within 24 hrs
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Dedicated Support
Mon to Sat - 10 AM to 6.30 PM
The AHT21B Temperature and Humidity Sensor Module is a high-precision, fully calibrated digital sensor designed for reliable and accurate environmental measurements. It combines temperature and humidity sensing in a compact module, making it ideal for applications like HVAC systems, weather stations, smart home devices, and IoT projects. The module features a simple I²C communication interface for easy integration into various microcontroller platforms.
Features of AHT21B Temperature and Humidity Sensor Module:
- High accuracy digital temperature and humidity measurements
- Fully calibrated and factory tested for reliable performance
- I²C communication for easy interfacing with microcontrollers
- Compact design suitable for embedded and space-constrained applications
- Fast response time and excellent long-term stability
- Low power consumption, ideal for battery-powered devices
Specifications of AHT21B Temperature and Humidity Sensor Module:
- Temperature Range: -40°C to +85°C
- Humidity Range: 0% RH to 100% RH
- Temperature Accuracy: ±0.3°C
- Humidity Accuracy: ±2% RH (typical)
- Operating Voltage: 2.2V to 5.5V
- Interface: I²C
- Communication Speed: Up to 1MHz
Package Includes:
1 x AHT21B Temperature and Humidity Sensor Module
Returns Policy
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
We ship to all over India with free shipping on all prepaid orders above 500. For Cash on Delivery orders INR 80 will be charged for orders below INR 599 and INR 30 will be charged for the orders above 599. Please contact to our support team at support@quartzcomponents.com for any question related to shipping.
Please note that the Minimum Order Value is INR 500 for COD orders.