Name: Adafruit HDC3021 Precision Temperature & Humidity Sensor
Brand: Adafruit HDC3021 Precision Temperature & Humidity Sensor
Rating: 5 (1 reviews)

Adafruit HDC3021 Precision Temperature & Humidity Sensor

Adafruit HDC3021 Precision Temperature & Humidity Sensor

Brand: Adafruit Industries

Features

7 days service Replacement

1 Year Warranty

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₹2,102.68 (Incl. of all taxes)

₹1,724.2

+ ₹378.48 GST

~~₹3,999~~ 47% Off

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About this item

The Adafruit HDC3021 Precision Temperature & Humidity Sensor breakout delivers high-accuracy environmental sensing for a variety of projects. It features the TI HDC302x chip, providing ±0.1 °C temperature accuracy and ±0.5 % relative humidity precision, with minimal long-term drift (~0.19 % RH per year). It interfaces via I²C (up to 1 MHz) and supports four selectable addresses, allowing multiple sensors on a single bus. Operating across a wide voltage range (1.62–5.5 V), it's compatible with various microcontrollers without level shifters. The breakout includes STEMMA QT connectors and easy-to-use Arduino/CircuitPython libraries, enabling rapid integration into IoT, home automation, and industrial monitoring systems.

Specifications

Temperature Accuracy :	3.3 V
Interface:	I²C (1.8V to 5.5V logic levels)
Humidity Accuracy:	±0.5% RH typical; 0.19% RH/year long-term drift
Selectable Addresses:	4 I²C addresses for multi-sensor setups
Power Consumption:	Average current: 0.4 µA (sensor only)