SHT31 Outdoor Temperature & Humidity Sensor (-40°C~125°C, I2C)
Weather-proof SHT31 sensor for outdoor temperature (-40 to 125°C) and humidity measurement over I2C. Low power with fast response time.
Pinout
- VCCred wire
Supply input for the outdoor SHT31 I2C sensor cable, documented by DFRobot pinout as red VCC.
Type · PowerVoltage · 3.3-5V operating voltage from DFRobot wiki specification - GNDblack wire
Ground return for the sensor cable, documented by DFRobot pinout as black GND.
Type · Ground - SDAgreen wire
I2C data line for the SHT31 sensor, documented by DFRobot pinout as green SDA.
Type · I2C - SCLyellow wire
I2C clock line for the SHT31 sensor, documented by DFRobot pinout as yellow SCL.
Type · I2C
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | red wire | Power | Supply input for the outdoor SHT31 I2C sensor cable, documented by DFRobot pinout as red VCC. | 3.3-5V operating voltage from DFRobot wiki specification |
| GND | black wire | Ground | Ground return for the sensor cable, documented by DFRobot pinout as black GND. | |
| SDA | green wire | I2C | I2C data line for the SHT31 sensor, documented by DFRobot pinout as green SDA. | |
| SCL | yellow wire | I2C | I2C clock line for the SHT31 sensor, documented by DFRobot pinout as yellow SCL. |
Pin details
4 connections- VCCred wire
Supply input for the outdoor SHT31 I2C sensor cable, documented by DFRobot pinout as red VCC.
PowerVoltage · 3.3-5V operating voltage from DFRobot wiki specification - GNDblack wire
Ground return for the sensor cable, documented by DFRobot pinout as black GND.
Ground - SDAgreen wire
I2C data line for the SHT31 sensor, documented by DFRobot pinout as green SDA.
I2C - SCLyellow wire
I2C clock line for the SHT31 sensor, documented by DFRobot pinout as yellow SCL.
I2C
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VCC, GND, SDA, SCL. Schematik maps them to your board in the app.
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