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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
- Item #: 9SIVUX4M9C0939
- Mfr. Part #: 141087792267
- 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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Overview
Specs
Reviews
Product Description:
GY-21 digital temperature and humidity sensor modules with a Si7021 low-power CMOS IC for environmental data collection in IoT, weather monitoring, greenhouse detection, smart home, and embedded measurement projects.
Core Selling Points:
Provides high-precision digital temperature and humidity data through an I2C interface. Low-power design supports battery-operated equipment and continuous monitoring. Compact PCB construction and standard pin layout simplify wiring and project integration.
Technical Specifications:
Model: GY-21. Chip: Si7021 low-power CMOS IC. Interface: I2C digital output. Measured parameters: temperature and humidity. Features: low power and high precision.
Package Contents:
5 GY-21 digital temperature and humidity sensor modules.
Before Purchase:
Confirm that your project requires I2C digital output and supports the module's standard pin layout before purchase.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by GeekSpace Return Policy
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