Electric meter Abstract
Firstly, the current situation of domestic and international market, the market prospects of the coin-operated meter base on single-chip are introduced in this paper, and the principle of the coin-operated meter is introduced, then the each module of the coin-operated meter is introduced in detail, including the single-chip AT89C51, electric energy measurement chip CS5460, power module, LCD display, coin module, key select module. Finally,we analysis the hardware debug of the coin-meter .
Key Words: Electric meter;AT89C51;CS5460; hardware debug
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