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GY-21 Si7021 Digital Temperature Humidity Sensor Module Low-Power CMOS I2C Environmental Monitoring Sensor Board High-Precision Digital Output For SHT11/SHT15/SHT21/HTU21 5 Pcs
- Includes 5 GY-21 digital sensor modules for temperature and humidity measurement projects.
- Built with a Si7021 low-power CMOS IC for digital temperature and humidity data collection.
- Measures both temperature and humidity through a single compact sensor module.
- Provides digital output through an I2C interface for connection with compatible control systems.
- High-precision sensing design supports detailed temperature and humidity monitoring.
- Low-power operation is suitable for battery-operated equipment requiring continuous environmental data collection.
- Compact PCB form factor and standard pin layout help simplify wiring and project integration.
- Designed for IoT projects, weather monitoring, greenhouse environment detection, smart home systems, and electronic DIY development.
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Learn more about the Generic Brand GY-21
| Model | GY-21 |
|---|
| Type | Digital Humidity Temperature Sensor Module |
|---|---|
| Connection | I2C Digital Output |
| Output Configuration | I2C Digital Output |
| Measurement Function | Temperature & Humidity |
| Application | IoT |
| Features | Low Power, High Precision |
|---|
Warranty & Returns
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