ASAIR AHT21B Temperature & Humidity Sensor (I²C)
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Makers Electronics | ASAIR AHT21B V1.1 Digital Temperature & Humidity Sensor Module I²C 2.2–5.5V | 135 EGP | View in store |
Price history
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Lowest price recorded: 135 EGP
About this product
ASAIR AHT21B V1.1 is a digital temperature and humidity sensor module with an I²C interface, operating from 2.2V to 5.5V. It is used in embedded and industrial projects for accurate environmental monitoring.
Specifications
- Interface
- I²C
- Supply Voltage
- 2.2V to 5.5V
- Measurement
- Temperature and humidity
- Temperature Range
- -40°C to 85°C
- Humidity Range
- 0% to 100% RH
- Default I²C Address
- 0x38
- Version Options
- Standard Version, Shield Version
Frequently asked questions
What is the price of ASAIR AHT21B Temperature & Humidity Sensor (I²C) in Egypt?
ASAIR AHT21B Temperature & Humidity Sensor (I²C) currently costs 135 EGP in Egypt.
Where can I buy ASAIR AHT21B Temperature & Humidity Sensor (I²C) in Egypt?
ASAIR AHT21B Temperature & Humidity Sensor (I²C) is available from Makers Electronics. Compare the offers above to find the best price.
How do I wire it to an Arduino or ESP32?
Connect VCC to a supply within 2.2V to 5.5V (3.3V works for 3.3V boards such as ESP32), GND to GND, SDA to the SDA pin and SCL to the SCL pin. The default I²C address is 0x38.
What is the difference between the Standard and Shield versions?
The listing offers both Standard and Shield versions. Choose the version that matches the mounting or board form factor you need for your project.
