---
product_id: 537583542
title: "2pcs AHT21 I2C IIC High Precision Digital Temperature and Humidity Sensor Module DC 2.0-5.5V DHT11 AHT10 Upgraded Version for Arduino"
brand: "hiletgo"
price: "HK$107"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/537583542-2pcs-aht21-i2c-iic-high-precision-digital-temperature-and-humidity
store_origin: HK
region: Hong Kong
---

# Humidity Range: 0~100%RH Voltage: DC 2.0-5.5V Temp Range: -40~+85℃ 2pcs AHT21 I2C IIC High Precision Digital Temperature and Humidity Sensor Module DC 2.0-5.5V DHT11 AHT10 Upgraded Version for Arduino

**Brand:** hiletgo
**Price:** HK$107
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate Your Sensing Game!

## Quick Answers

- **What is this?** 2pcs AHT21 I2C IIC High Precision Digital Temperature and Humidity Sensor Module DC 2.0-5.5V DHT11 AHT10 Upgraded Version for Arduino by hiletgo
- **How much does it cost?** HK$107 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/537583542-2pcs-aht21-i2c-iic-high-precision-digital-temperature-and-humidity)

## Best For

- hiletgo enthusiasts

## Why This Product

- Trusted hiletgo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Upgrade Your Projects:** Transform your DIY projects with this upgraded sensor module.
- • **Wide Measurement Range:** Capture temperature and humidity in extreme conditions.
- • **Versatile Compatibility:** Seamlessly integrates with Arduino for endless project possibilities.
- • **User-Friendly I2C Interface:** Simplify your connections with easy-to-use I2C communication.
- • **Precision at Your Fingertips:** Experience high-accuracy readings with the AHT21 sensor.

## Overview

The HiLetgo AHT21 I2C Temperature and Humidity Sensor Module is a high-precision device designed for accurate environmental monitoring. With a measurement range of 0-100% RH for humidity and -40 to +85℃ for temperature, it operates on a voltage of DC 2.0-5.5V, making it an ideal upgrade for Arduino enthusiasts looking to enhance their projects.

## Description

HiLetgo 2pcs AHT21 I2C IIC High Precision Digital Temperature and Humidity Sensor Module DC 2.0-5.5V DHT11 AHT10 Upgraded Version for Arduino

## Features

- AHT21 I2C Temperature Humidity Sensor Module
- High-Precision Temperature Humidity Sensor Probe
- Measurement range (humidity) : 0~100%RH
- Measuring range (temperature):-40~+85℃

## Images

![2pcs AHT21 I2C IIC High Precision Digital Temperature and Humidity Sensor Module DC 2.0-5.5V DHT11 AHT10 Upgraded Version for Arduino - Image 1](https://m.media-amazon.com/images/I/61i2VVdUZlL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/537583542-2pcs-aht21-i2c-iic-high-precision-digital-temperature-and-humidity](https://www.desertcart.hk/products/537583542-2pcs-aht21-i2c-iic-high-precision-digital-temperature-and-humidity)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-13*