Fermion: SHTC3 Temperature & Humidity Sensor (Breakout)
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Description
The Fermion SHTC3 Temperature and Humidity Sensor is a digital breakout board powered by Sensirions high-precision SHTC3 sensing chip. Operating over an I2C interface from 3.3V to 5V with low current consumption, it is an ideal sensing solution for hobbyists, students, and engineers developing weather stations, data loggers, and mobile environmental monitors.
Accurate climate measurement
The sensor measures relative humidity from 0 to 100% RH with a typical accuracy of plus or minus 2% RH, alongside temperature detection across -40°C to 125°C with plus or minus 0.2°C accuracy. It delivers reliable environmental readings with a fast response time of 8 seconds (tau63%).
Low-power battery operation
Running on a 3.3V to 5V supply voltage, the board draws just 0.45mA during normal operation and drops below 0.15mA in low power mode. This minimal energy demand makes it well suited for remote, wireless, and battery-powered logging systems.
Standard I2C connection
Communication is handled via a standard I2C interface for straightforward wiring to microcontrollers and development boards. The module operates seamlessly across both 3.3V and 5V logic levels.
Compact breakout form factor
Measuring just 14 by 17 mm, the sensor fits easily into tight project enclosures. It includes an M2 mounting hole with a 10 mm pitch for secure mechanical installation.
Versatile project applications
Thanks to its high accuracy and low power draw, this module is suitable for weather monitoring stations, HVAC control systems, automotive telemetry, data loggers, and smart home appliances.
Included in the box
Each pack includes one Fermion SHTC3 humidity and temperature sensor breakout alongside one 2.54 mm single-row 4-pin header for easy breadboard and PCB connection.
Downloads & documentation
Specifications
| Communication Interface | I2C |
| Operating Voltage | 3.3V~5V |
| Operating Current | 0.45mA |
| Humidity Measurement Range | 0~100%RH |
| Humidity Measurement Accuracy | ±2% |
| Temperature Measurement Range | -40~+125℃ (-40~+275℉) |
| Response Time | 8s(tau63%) |
| Dimension | 14*17mm/0.55*0.67” |
| Mounting Hole Size | M2 (2mm) |
| Mounting Hole Pitch | 10mm |
In the box
| Fermion: SHTC3 Humidity & Temperature Sensor | 1 |
| 2.54 Black Single-row 4Pin Connector | 1 |
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