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 1: Get Simplicity Studio
Download Simplicity Studio and run the installer. If you already have Simplicity Studio installed, you can skip to Step 5.
Step 2: Connect to your computer
Connect the Thunderboard EFR32BG22 to your computer using a micro-USB B cable. A blue LED should turn on next to the USB connector to verify connectivity.
Step 3: Install drivers
Follow the Installation Wizard so it can install the basic drivers.
Step 4: Log-in
By logging in, you will get access to the required wireless stacks and SDKs for Thunderboard EFR32BG22. You do not need to register your Thunderboard EFR32BG22 at this time.
Step 5: Install the latest software
5a. If this is your first time to install Simplicity Studio, simply follow the Install Wizard recommendations based on the detected “Connected Devices”.
5b. If you already had Simplicity Studio installed, click on the “Update Software” button and choose the “Install Wizard” from the bottom of the dialog box.
5c. Insure that latest version of the "Bluetooth SDK" (version 2.6 or later) is installed.
5d. In the Launcher window, click to change the preferred SDK, and choose the Gecko SDK Suite featuring the latest Bluetooth SDK.
Step 6: Cloning a Project
In the Launcher perspective, with your EFR32BG22 kit selected in the Devices window, select the desired project from the available “Software Examples”. This action will clone the pre-tested project. From here you can explore and modify and source code, compile, and debug.
TECH DOCS
SOFTWARE & TOOLS
COMPATIBLE BOARDS
COMMUNITY & SUPPORT
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workshop series
Bluetooth Workshops: BG22 Project Series
Join us on the 3rd Tuesday of every month and learn new ways to integrate Bluetooth connectivity into your next project with the help of Silicon Labs expert engineers. Each project session will explore and solve challenges developers often face when building new Bluetooth designs.