电能计量模块源码，用于做智能插座开关，可以测功率，电压，电流，电能。使用ATT7039芯片，广泛使用于智能电表。keil编译平台。-Energy metering module source code, used to make intelligent socket switch, can measure the power, voltage, current, power. Use ATT7039 chips, widely used in smart meters. keil compile