• Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.
  • Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.
  • Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.
  • Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.
  • Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.
  • Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.

Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.

No.MR-102
GY-21 HTU21D Temperature and Humidity Sensor features rapid response and low power consumption, and is suitable for scenarios such as smart home environment monitoring, agricultural greenhouse management, meteorological data collection, and industrial equipment status monitoring.

Description

Features:
Precision Relative Humidity Sensor
± 3% RH (max), 0-80% RH
High Accuracy Temperature Sensor
±0.4 °C (max), -10 to 85 °C
0 to 100% RH operating range
Up to -40 to +125 °C operating range
Wide operating voltage (1.9 to 3.6 V)
Low Power Consumption 150 A active current
60 nA standby current
Factory-calibrated
I2C Interface
Integrated on-chip heater
3x3 mm DFN Package
Excellent long term stability
Optional factory-installed cover
Low-profile
Protection during reflow
Excludes liquids and particulates
Applications:
HVAC/R
Thermostats/humidistats
Respiratory therapy
White goods
Indoor weather stations
Micro-environments/data centers
Automotive climate control and defogging
Asset and goods tracking
Mobile phones and tablets
Size: 1.3*1cm/0.51*0.39"




We focus on three core product categories to meet diverse market demands:

 

1、Passive Components: We offer a comprehensive range of resistors, capacitors, inductors, and connectors, backed by stable stock and competitive pricing to support your continuous production needs.

 

2、Integrated Circuits (ICs) & Microcontrollers: Our portfolio features high-performance chips, including the ESP32 series, MCUs, and logic ICs. All components are sourced from authorized distributors to ensure guaranteed quality and authenticity.

 

3、PCB & PCBA Solutions: We provide complete supply chain support for printed circuit boards, ranging from prototype fabrication to mass production assembly, serving the IoT, consumer electronics, and industrial sectors.

 

4、Quality & Service Commitment
At Muren Technology, we prioritize authenticity and traceability. Every batch undergoes strict quality inspection with full lot traceability and customs declaration support. Whether you require samples, small-batch trials, or large-volume orders, our professional team ensures accurate delivery and long-term stable cooperation.

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