Photon Weather Shield - expansion module with pressure, humidity and temperature sensor

Description

Module with atmospheric sensors designed for  IoT Particle Photon board. It uses Si7021 temperature and humidity sensors and MPL3115A2 barometric pressure sensors. The board is equipped with two RJ11 connectors (for optional connection of rain and wind sensors) and a 3-pin connector for connecting a soil temperature and moisture sensor. The module is supplied with voltage through the pins of the Photon module or through the supply pins (no soldered connector) with voltage up to 12 V. The sensors communicate with the main module via the I2C interface. Full documentation with the guide is available on the product page.

Features

• Si7021 humidity and temperature sensor:
• Humidity measurement range: 0 to 100% RH
• Temperature measuring range: –40 to 125 ° C
• Precise relative humidity sensor: ± 3% RH (max), 0–80% RH
• High accuracy temperature sensor: ± 0.4 ° C, -10 to 85 ° C
• I2C communication
• Barometric pressure sensor MPL3115A2:
• Pressure: 20-bit resolution (Pa)
• Height: 20-bit resolution (meters)
• Temperature: 12-bit measurement (degrees Celsius)
• Programmable events
• Autonomous data acquisition
• FIFO buffer 32 samples
• I2C communication
• Connector compatible with Particle Photon
• Power supply: up to 12 V (via power pins) or USB 5 V (Photon module)
• Dimensions: 74 x 42 mm