Summary of THUNDERBOARD™ SENSE 2: NEXT GENERATION IOT DEVELOPMENT KIT
Silicon Labs Thunderboard Sense 2 is a compact, battery-powered IoT development kit with seven onboard sensors, an EFR32 Mighty Gecko multi-protocol SoC (256 kB RAM, 1024 kB Flash), integrated debugger, and mobile apps for Android and iOS. It supports Simplicity Studio, offers BLE and cloud connectivity, local SPI flash storage, high-brightness LEDs, USB serial, and 20 breakout pins—designed for rapid prototyping of IoT edge-node devices.
Parts used in the Thunderboard Sense 2:
- SEGGER J-Link integrated debugger
- USB CDC virtual serial port
- 8 Mbit SPI ultra-low power NOR Flash
- High brightness LEDs
- EFR32MG12 Multi-Protocol Radio (Wireless Gecko)
- ARM Cortex-M4 core MCU with 256 kB RAM and 1024 kB Flash
- 20 breakout pins (extendibility)
- Si7021 relative humidity and temperature sensor
- Si1133 UV and ambient light sensor
- Si7210 magnetic Hall effect sensor
- BMP280 pressure sensor
- CCS811 indoor air quality and gas sensor
- ICM-20648 6-axis inertial sensor
- TDK InvenSense ICS-43434 microphone
- Mobile app for Android and iOS (iOS in Swift, Android in native code)
- Simplicity Studio software support
Silicon Labs’ Thunderboard Sense 2 is the ultimate sensor-to-cloud and advanced IoT development kit
Silicon Labs’ Thunderboard Sense 2 is a small and feature-packed development platform for battery-operated IoT applications. This upgraded Thunderboard IoT kit features seven onboard sensors, a powerful multi-protocol EFR32 Mighty Gecko SoC with 256 kB RAM and 1024 kB Flash plus advanced BLE capabilities, and a mobile app offering Bluetooth® communication and cloud connectivity. Thunderboard Sense 2 includes an integrated debugger and is fully supported in Simplicity Studio. This development kit provides the fastest path to develop and prototype IoT edge node devices.
Thunderboard Sense 2 brings upgraded features to the family of Thunderboard IoT kits. This IoT development kit features updated sensors and the latest ERF32MG SoC with 4x Flash and RAM plus advanced BLE capabilities, getting a device connected to the cloud in minutes. This kit is perfect for rapidly developing and prototyping a wide range of IoT end-node devices at a low cost.
Kit FeaturesSEGGER J-Link integrated debuggerUSB CDC virtual serial port8 Mbit SPI ultra-low power NOR Flash for local storageHigh brightness LEDsSize: 45 mm x 30 mmExtendibility: 20 breakout pinsSimplicity Studio supportedWireless Gecko – EFR32MG12 Multi-Protocol RadioARM® Cortex®-M4 core with 256 kB RAM and 1024 kB FlashLow energy consumptionFlexible MCU peripheral interfacesMobile AppMobile app for Android and iOSiOS app implemented in SwiftAndroid app implanted in Native codeSource code available at GitHubBeacon notificationsView sensor dataControl LEDs and detect button pushesStream sensor data to the cloudSensorsRelative humidity and temperature sensor Si7021UV and ambient light sensor Si1133Magnetic Hall effect sensor Si7210Pressure sensor BMP280Indoor air quality and gas sensor CCS8116-axis inertial sensor ICM-20648TDK InvenSense ICS-43434 microphone
Read more: THUNDERBOARD™ SENSE 2: NEXT GENERATION IOT DEVELOPMENT KIT
- What sensors are included on the Thunderboard Sense 2?
The board includes Si7021 (humidity/temperature), Si1133 (UV/ambient light), Si7210 (magnetic Hall), BMP280 (pressure), CCS811 (indoor air quality/gas), ICM-20648 (6-axis inertial), and ICS-43434 microphone. - Which MCU and radio does the kit use?
It uses the EFR32MG12 Wireless Gecko multi-protocol radio with an ARM Cortex-M4 MCU featuring 256 kB RAM and 1024 kB Flash. - Does the Thunderboard Sense 2 support cloud connectivity?
Yes, the kit offers Bluetooth communication and mobile apps that enable streaming sensor data to the cloud. - Is there on-board storage available?
Yes, the kit includes 8 Mbit SPI ultra-low power NOR Flash for local storage. - Can I debug the board directly?
Yes, it features an integrated SEGGER J-Link debugger. - Are mobile apps available for the Thunderboard Sense 2?
Yes, there are mobile apps for Android (native code) and iOS (implemented in Swift). - Is the kit supported in development tools?
Yes, it is fully supported in Simplicity Studio. - How can I extend the board hardware?
The board offers 20 breakout pins for extendibility. - What interfaces are available for MCU peripherals?
The MCU provides flexible low-energy peripheral interfaces as described in the kit features. - What is the board size?
The Thunderboard Sense 2 measures 45 mm x 30 mm.
