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Add Reliable Temperature & Humidity Sensor SHT20 I2C Waterproof Probe Sensing to Your Next Build

This SHT20 I2C temperature & humidity sensor is equipped with waterproof probe. It comes with the 4C CMOSens® SHT20 temperature & humidity sensor chip and the probe has gone through dual waterproof protection test.

The SHT20 I2C temperature & humidity sensor adopt Sensirion techniques. Except the humidity sensor of capacitive type and the temperature sensor of band gap, SHT20 contains an amplifier, A/D converter, OTP memory and a digital processing unit. Compared with early SHT1x series and SHT7x series, SHT20 shows a strong reliability and long-term stability. It can measure surrounding environment temperature and relative air humidity precisely.

Important: Use the official DFRobot links below for wiring, sample code, downloads, and the latest setup notes for this SKU.

Why you'll love it

  • Red VCC
  • Green GND
  • Black SDA
  • White SCL
  • Operating Voltage: 3.3/5V
  • Communication Interface: I2C / IIC

What you can build

This part fits monitoring, measurement, logging, alarms, and automation builds. It works well in Arduino, ESP32, and Raspberry Pi style projects where you need reliable real-world data from the temperature & humidity sensor sht20 i2c waterproof probe.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus sensor cables, headers, or a matching expansion shield for faster setup.

Recommended add-ons

Useful add-ons include displays, data logging modules, waterproof enclosures, and matching Gravity cables or sensor shields.

Technical specifications

Product Temperature & Humidity Sensor SHT20 I2C Waterproof Probe
SKU SEN0227
Brand DFRobot
Interface I2C, Digital
Operating voltage 3.3/5V
Protection Class waterproof anti-condensation
RH Response Time 8s (tau63%)
Accuracy ±3% RH / ±0.3 ℃
Measuring Range 0-100% RH / -40-125 ℃
Dimensions 73mm * 17mm / 2.87 * 0.67 inches

Pinout & usage notes

Use the correct SDA and SCL pins on your controller and make sure the bus voltage is compatible. If you are using Gravity connectors, align the plug correctly and avoid forcing the cable into the wrong header.

DFRobot resources

Official product page: View on DFRobot
Wiki / documentation: Open DFRobot wiki

What’s in the box

1 × Temperature & Humidity Sensor SHT20 I2C Waterproof Probe

Frequently Asked Questions

Can I use this for logging or monitoring projects? Yes. It is a good fit for data collection, automation, and alert-based builds when paired with a supported controller.
Does it work with other boards too? Often yes, as long as voltage, interface, and pin mapping match. ESP32 and Raspberry Pi users should still check the official docs first.
Where can I find wiring and examples? Use the official DFRobot product page and wiki links below for guides, downloads, and code examples.

Build with this board

// from learn.circuit.rocks

Notes from the bench

// from blog.circuit.rocks

Ask the community

// from forum.circuit.rocks