This is an Adafruit Feather compatible PCB with a Silicon Labs EFR32 MCU. This MCU supports 2.4GHz radio such as BLE, Zigbee, Thread
Hardware components:
- MCU: EFR32 with 1024kB FLASH, 256kB RAM EFR32MG12P332F1024GM48
- Alternative MCU: EFR32 with 512kB FLASH, 64kB RAM EFR32BG13P532F512GM48
- USB Serial interface: CP2102N
- 3.3V LDO: AP2112K
- Charging: MCP73832
Firmware example:
- Using Zephyr
- Board definition in FW/boards/arm/efr32_feather
Build instruction:
mkdir FW/build
cd FW/build
source ZEPHYR-DIR/zephyr-env.sh
cmake -Gninja ..
ninja flash