http://www.silabs.com/products/wirel...sense-kit.aspx
Get Started with Thunderboard Sense

Cloud streaming
•Data is stored in Firebase
•Web frontend is implemented in ReactJS
•Using Alt.js as the flux implementation
•D3.js for data driven charts
•All source code available

Mobile app
•Mobile app for Android and iOS
•iOS app implemented in swift
•Android app implanted in native code
•Source code available at GitHub
Mobile app features
•Beacon notifications
•View sensor data
•Control LEDs and detect button pushes
•Stream sensor data to the cloud

Wireless Gecko EFR32™
•Sub-GHz to 2.4GHz wireless SoC
•Multi-protocol radio
•ARM Cortex M4 core with 32 kB RAM and 256 kB Flash
•Low Energy Consumption
•Flexible MCU peripheral interfaces

Sensors, I/O, and Misc. Control
•Relative Humidity and Temperature Sensor Si7021
•UV and Ambient Light Sensor Si1133
• Pressure Sensor BMP280
•Indoor Air Quality and Gas Sensor CCS811
• 6-axis Inertial Sensor ICM-20648
•MEMS Microphone SPV1840
•High brightness LEDs
•Hall-effect Sensor (coming soon!)