The main modules of this system include measurement and display main control single chip GPRS.
Metering uses a serial communication module to provide a serial port to send commands to the metering module for measurement, and the metering module sends back parameters such as voltage, current, and electric energy. GD32F350 receives and processes the display, stores it in the buffer, and then sends the stored data to Baidu Cloud through the GPRS module through the TFT LCD display. Then obtain the main parameters through the mobile APP.
Blockdiagram
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