齐全的剩余电流探测器，包含12路ADC剩余电流，4路温度测量，STM32F103，内含串口通信，铁电存储等功能，IAR550。(Complete residual current detector, including 12 ADC residual current, 4 temperature measurement, STM32F103, including serial communication, ferroelectric storage and other functions, IA