SparkFun Humidity and Temperature Sensor Breakout - Si7021
We have ✅ 2 available of the SF-SEN-13763 in our Sydney warehouse.
A low-cost, highly accurate digital humidity and temperature sensor breakout board based on the Silicon Labs Si7021. Communicates over I²C with just two data lines, providing relative humidity and precise temperature readings for environmental monitoring projects.
The breakout includes built-in 4.7 kΩ pull-up resistors for I²C. If connecting multiple I²C devices on the same bus, you may want to disable these resistors to avoid conflicts.
Specifications
- Sensor – Silicon Labs Si7021
- Measurements – Relative humidity and temperature
- Interface – I²C
- Pull-Up Resistors – 4.7 kΩ (built-in, can be disabled)
- Connections – VCC, GND, SDA, SCL
- Board Dimensions – 15 × 15 mm (0.6″ × 0.6″)
Key Features
- High Accuracy – Precise humidity and temperature readings
- Simple I²C Interface – Only 4 pins to connect (VCC, GND, SDA, SCL)
- Built-In Pull-Ups – Ready to use out of the box
- Low Power – Ideal for battery-powered and data-logging applications
Ideal For
- Weather stations
- Environmental data logging
- Humidor and climate control systems
- IoT sensor networks
Package Contents
- 1× SparkFun Si7021 Humidity and Temperature Sensor Breakout
Resources
The SparkFun Humidity and Temperature Sensor Breakout - Si7021 appears in the following collections:
SKU SF-SEN-13763
by SparkFun
