Particle Photon Library for ClosedCube SHT31-D (SHT35 and SHT30) I2C Digital Humidity and Temperature Sensor Breakout
You can see some documentation on the wiki please check back as they are a work in progress.
Note: The library supports SHT30 (low-cost) and SHT35 (high-end) sensor versions as well.
This library was ported from excellent work by ClosedCube their SHT breakout boards can be purchased from Tindie