IT800D是目前国内最好用的电网载波芯片，该设计是基于电网 的载波抄表程序-IT800D is currently the best use of the grid-carrier chip, the design is based on the grid carrier meter reading procedures

这是PC机与电力线载波芯片IT800D的通信程序-This is the PC-chip with the power line carrier communication procedures IT800D