The intelligent digital voltmeter circuit composed of HI7159A and 8031 microcontroller is shown in the figure. The circuit adopts successive accumulation integration, digital zero adjustment, low noise BIMOS and other advanced technologies. In the 5 1/2 bit working mode, the maximum count value is 199999, and the accuracy is ±0.005%.
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The implementation of intelligent time-sharing electricity meter with single chip microcomputer
0 Introduction
In terms of charging for electricity resources, the power sector hopes to adopt a time-of-use electricity billing system, that is, when electricity is used during peak periods, the unit price of electricity will be increased; when electricity is used during off-peak periods, the unit price of
[Microcontroller]
Anti-interference design of industrial control software
Modem circuit composed of single chip microcomputer 8031
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