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  1. Parts
  2. /Sensors
  3. /Temp, humidity & pressure

SHT20 I2C Temperature & Humidity Sensor (Waterproof Probe)

OverviewPinoutWiringAlternatesRelated groups
SHT20 I2C Temperature & Humidity Sensor (Waterproof Probe) — DFRobot — SEN0227

SHT20-based temperature and humidity sensor with waterproof probe and I2C interface. Suited for outdoor or wet environments where direct liquid contact may occur.

Offers

  • DFRobot$22.50
  • ?DigiKey$22.50

Offers

  • DFRobot$22.50
  • ?DigiKey$22.50

Pinout

  • Red1

    VCC supply lead for the SHT20 waterproof probe

    Type · powerVoltage · 3.3V/5V operating voltage per DFRobot wiki specification
  • Green2

    GND lead

    Type · ground
  • Black (Blue)3

    SDA I2C data lead

    Type · signal
  • White (Yellow)4

    SCL I2C clock lead

    Type · signal
PinPosition

Start wiring

I2C · SPI · Single data line · 3.3 – 5 V · Breakout

Confirm the data interface matches your host board.

Module pins: Red, Green, Black (Blue), White (Yellow). Schematik maps them to your board in the app.

Temp & humidity

165 other options

DHT/AHT sensors, SHT-series humidity chips, BMP and LPS barometers, BME combined sensors, DS18B20 probes, thermocouple amplifiers and non-contact MLX IR sensors — about 165 listings, very different accuracy classes.

View all 165
  • Gravity: Analog LM35 Temperature Sensor For Arduino visual preview

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Parts tray full · 5 max · remove a part to add another
Type
Function
Voltage
Red1powerVCC supply lead for the SHT20 waterproof probe3.3V/5V operating voltage per DFRobot wiki specification
Green2groundGND lead
Black (Blue)3signalSDA I2C data lead
White (Yellow)4signalSCL I2C clock lead

Gravity: Analog LM35 Temperature Sensor For Arduino

Analog temperature-only module. Useful when humidity is not needed and the controller has an ADC input.

$4.50
  • Gravity: DHT11 Temperature & Humidity Sensor For Arduino visual preview

    Gravity: DHT11 Temperature & Humidity Sensor For Arduino

    Low-cost DHT11 temperature/humidity module. Same broad job as DHT22, but lower range and accuracy.

    $4.20
  • AM2302 (wired DHT22) temperature-humidity sensor visual preview

    AM2302 (wired DHT22) temperature-humidity sensor

    Wired DHT22/AM2302-family sensor. Same broad sensing class as DHT22, but cable and package change the mechanical fit.

    $15.00
  • DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor visual preview

    DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor

    I²C AHT20/DHT20 temperature/humidity module. A redesign alternative to DHT-style sensors, not a drop-in replacement.

    $4.50
  • MIKROE DHT22 2 Click visual preview

    MIKROE DHT22 2 Click

    DHT22-class temperature/humidity sensor on a mikroBUS Click board. Functional family match, not a connector or footprint match for bare/Gravity/pin modules.

    $21.95
  • MIKROE DHT22 Click visual preview

    MIKROE DHT22 Click

    DHT22-class Click board. Treat as DHT22-family sensing with mikroBUS-specific wiring and board assumptions.

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    Adafruit AHT20 Temperature & Humidity Sensor Breakout Board

    I2C AHT20 breakout. Useful for new designs or redesigns; not a drop-in replacement for single-data-line DHT11/DHT22 circuits.

    $4.50
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