Current and Voltage Measurement Circuit Design for PIC18F87J72 Single Phase Meter

The discussion focuses on designing current and voltage measurement circuits for a single-phase energy meter using the PIC18F87J72 microcontroller. The measurement requirements specified are a maximum current of 5A and voltage in the range of 220-230V. Suggestions include exploring energy measurement ICs and reference designs from Analog Devices and Maxim, which offer integrated solutions for metering applications. A project link for a related 8051-based energy meter is also shared as a practical example. The conversation emphasizes selecting appropriate sensors and ADCs compatible with the PIC18F87J72 for accurate voltage and current sampling in single-phase metering.
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