# Precision Temperature and Humidity Sensor SHT21, GY-21

> GY-21 sensor module with SHT21 for measuring temperature and humidity, suitable for IoT projects and automation. It offers stable and fast measurements, I2C communication for easy integration with Arduino and Raspberry Pi, low power consumption, and a compact breakout format suitable for prototyping and mounting in tight spaces.

- Page: https://sigmanortec.ro/en/precision-temperature-and-humidity-sensor-sht21-gy-21
- Price: 46.52 RON
- Availability: In stock; 1-2 zile
- Reference: 33145 · EAN: 5946983275873
- Category: Mechatronics and IoT > Sensors and Modules > Temperature and Environmental Sensors
- Package (shipping data): 0.002 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:53 (Europe/Bucharest)

## Description

Ideal for precise temperature and humidity monitoring in IoT and automation projects, this module with SHT21 offers stable and fast measurements, I2C communication for easy integration with Arduino and Raspberry Pi, low consumption for long-term operation, compact breakout format suitable for prototyping and mounting in tight spaces.
Precision Temperature and Humidity Sensor SHT 21