SLTB010A
MSRP $19.99
MSRP $19.99
OVERVIEW
Small Form Factor Thunderboard
- EXP compatible breakouts
Target device
- EFR32BG22
- Secure Bluetooth 5.2 SoCs for high-volume products
- 76.8 MHz, ARM Cortex-M33 with 512 kB of flash and 32 kB RAM
- Bluetooth 5.2 Radio with supported for direction finding and LE coded PHY
- 38.4 MHz HFXO crystal
- 32.768 kHz LFXO crystal
- 2.4 GHz matching network and chip antenna
On-board Board controller
- J-Link debugger
- SWD physical layer
- Packet trace over UART/async protocol
- Virtual COM with hardware flow control
USB Micro-B connector for debug connection
User interface features:
- 1x button (with EM2 wake-up)
- 1x LED
Data storage / OTA support
- 8 Mbit SPI flash
Power save features
- Controllable and separate power domain(s) for sensors
Mobile app for Android and iOS
- View sensor data, control LEDs and detect button pushes
- iOS app implemented in swift
- Android app implemented in native code
- Source code available at GitHub
Sensors
- Relative humidity & temperature sensor: Si7021
- UV and ambient light sensor: Si1133
- Hall effect sensor: Si7210
- 6-axis IMU: Invensense ICM-20648
Mini Simplicity Debug Connector (SLSDA001A compatible) with access to:
- AEM
- PTI
- VCOM
- SWD
GETTING STARTED
Setting up your Thunderboard BG22 Kit
Requirements
- Thunderboard BG22 Kit
- Coin cell battery or Micro-USB cable (not included)
Step 1: Unbox Thunderboard BG22
- Remove Thunderboard EFR32BG22 from the box.
- Supply power to your Thunderboard EFR32BG22: place a battery in the coin cell battery holder on the bottom of the board, or plug in a micro-USB cable.
Step 2: Use the Thunderboard Mobile App
There are several apps available for Thunderboard from Silicon Labs and our partners. In this guide, we will use the official app from Silicon Labs.
- Download the Thunderboard mobile app
- Enable Bluetooth on your mobile phone
Launch the app to discover your Thunderboard BG22.
Press the Reset button on the Thunderboard BG22 to restart advertising.
After connecting with the Thunderboard BG22 you will be taken to the app dashboard.
Step 3: Try the Sensors
When you have successfully connected the Thunderboard BG22, we are ready to test the board features.
- Select the motion and calibrate the board and test the accelerometer and gyroscope.
- Select "Environment" to test a number of environmental sensors
- Humidity and Temperature: Blow or cover the temp. sensor with your finger
- Light: Cover or shine a light on the board
- Magnetic Field and Door State: Move a magnet near the Hall Effect sensor and observe the effects
- Motion: Move the board to the other side of the room or building
- Humidity and Temperature: Blow or cover the temp. sensor with your finger
- Select "I/O" to test a buttons and LEDs.
- Switches: Press the two push buttons on the board
- Lights: The app switches will turn on/off the small LEDs on the board
Developing with your Thunderboard BG22 Kit
Requirements
- Thunderboard BG22 Kit
- Micro-USB cable
- Simplicity Studio
- Bluetooth SDK
Step 4: Download and Install Simplicity Studio Version 5
Get up and running quickly with precompiled demos, application notes, and examples. Use advanced tools including energy profiling to optimize your MCU application. Choose your software package below.
Step 5: Plug in Your Kit and Use Simplicity Studio to Install the desired SDKs
After plugging in your kit, launch Simplicity Studio and Open Package Manager in the left upper corner (downward arrow under the menu bar). Select the desired stacks and download them. Visit the package manager regularly for updates.
- Bluetooth SDK
- Bluetooth Mesh SDK
- Flex SDK
Step 6: Read the Quick Start Guides
Download the following Quick Start Guides with more detailed instructions on how to get started.
- QSG148: Getting Started with the Silicon Labs Bluetooth Mesh Lighting Demonstration
- QSG168: Proprietary Flex SDK v3.x Quick Start Guide
- QSG169: Bluetooth SDK v3.x Quick Start Guide
TECH DOCS
SOFTWARE & TOOLS
COMMUNITY & SUPPORT