A4636 Sensirion SHTC3 Temperature & Humidity Sensor

A4636 Sensirion SHTC3 Temperature & Humidity Sensor

Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. And finally, we have some that have a true I2C interface for easy reading. The SHTC3 sensor has an excellent ±2% relative humidity and ±0.2 °C accuracy for most uses. Unlike some earlier SHT sensors, this sensor has a true I2C interface on address 0x70.

Unlike some earlier SHT sensors, this sensor has a true I2C interface for easy interfacing with only two wires (plus power and ground!). Thanks to the voltage regulator and level shifting circuitry we've included on the breakout It is also is 3V or 5V compliant, so you can power and communicate with it using any microcontroller or microcomputer.

Such a lovely chip - so we spun up a breakout board with the SHTC3 and some supporting circuitry such as pullup resistors and capacitors. To make things even easier, we've included SparkFun Qwiic compatible STEMMA QT connectors for the I2C bus so you don't even need to solder! If you prefer working on a breadboard, each order comes with one fully assembled and tested PCB breakout and a small piece of header. You'll need to solder the header onto the PCB but it's fairly easy and takes only a few minutes even for a beginner.

We've written both Arduino and CircuitPython/Python library code for this chip so you can use it with just about any microcontroller or single-board computer like Raspberry Pi.

Schematics, diagrams, library and code examples, datasheets, and more in the learning system guide!

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