• EFM8BB3 Busy Bee Microcontroller • 64 kB Flash • 4352 bytes RAM • QFN32 package • Advanced Energy Monitoring system for precise current and voltage tracking • Integrated Segger J-Link USB debugger/emulator with the possiblity to debug external Silicon Labs devices • 20-pin expansion header • Breakout pads for easy access to I/O pins • Power来源包括USB和CR2032电池•超低功率128x128像素内存LCD•2个按钮和1个RGB LED连接到EFM8进行用户交互•8个方向模拟操纵杆用于用户互动