Silicon Labs Thunderboard Sense 2

Thunderboard* Sense 2 IoT Development Starter Kit (SLTB004A) is a multi-sensor, multi-protocol cloud inspiration kit. This compact, cost-effective, feature-rich, prototype and development platform is based on the EFR32™ Mighty Gecko Wireless System-on-Chip (SoC).


Wireless Gecko EFR32* Arm* Cortex*-M4, 32-bit (EFR32BG22)

Pre-enabled Sensor Types

TDK* ICM-20648 6DoF accel + gyro, TDK ICS-43434 microphone

Additional Available Sensors

Si7021 temp/humidity sensor, Si1133 light sensor, Bosch* BMP280 pressure sensor, CCS811 VoC sensor, Si7210 hall-effect sensor

Available External Sensor Interfaces

UART, I2C, SPI, ADC (12-bit @ 1 Msps,16-bit @ 76.9 ksps)

Pre-enabled Connectivity

USB, Serial, BLE 5.2 (integrated EFR32 multi-protocol wireless)

Programming Environment

IDEs: Silicon Labs Simplicity Studio* IDE
Compilers: Simplicity Studio, gcc, IAR*, Keil*

Firmware Flashing

Thunderboard Sense 2* has built-in programming and debugger via microUSB connection to PC, no separate board or debug cable required.
Firmware Flashing Guide

SensiML Knowledge Pack Formats

* All product and company names are property of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

See SensiML Ecosystem Partners and Other Supported Platforms