The Thunderboard Sense sensor-to-cloud development kit provides all the hardware and software that an engineer needs to create battery-powered wireless sensor nodes for the IoT. The “inspiration kit” includes six on-board sensors, a Wireless Gecko Cortex–M4-based SoC for multiprotocol cloud connections, 8 Mbytes of external flash for over-the-air updates, and a SEGGER J-Link to simplify programming and debugging. It ships with Silicon Labs’ ready-to-use cloud-connected IoT mobile apps, making it easy to collect and view a wealth of real-time sensor data for cloud-based analytics.
The board has:
- A Silicon Labs Si7021 relative humidity and temperature sensor
- A Silicon Labs Si1133 UV index and ambient light sensor
- A Bosch Sensortec BMP280 barometric pressure sensor
- A Cambridge CCS811 indoor air quality gas sensor
- A InvenSense ICM-20648 6-axis inertial sensor
- A Knowles SPV1840 MEMS microphone
The kit's SoC connects with a 2.4-GHz chip antenna and supports Bluetooth LE, ZigBee, Thread, and proprietary wireless protocols. It comes with 32 Kbytes of RAM and 256 Kbytes of flash. The card also has a EFM8 Sleepy Bee MCU that provides fine-grained power control. The package includes a mobile app for Android and iOS, iOS app implemented in swift, Android app implanted in native code, full source code available at GitHub.
A short video presentation is available here:
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