The essay first establishes the general design scheme about software and hardware circuits of intelligent electronicmeters with hand transcribers and elects the more advanced RN8209G multifunctional, anti-stealing , monophrasemeasurement chip as the energy measurement chip; then designs the main program flow chart of hardware and software inthe systematic design scheme, such as the energy measurement chip , the current sample circuit, the voltage sample circuit,and hand transcriber, etc.
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