A High Speedy Coin Checking Device Based on Microprocessor AT89C51
Cai Zhen-xiong · Mechanical & Electrical Engineering Technology · 2006
Under the principle of eddy current detection and by the use of microprocessor AT89C51, we have developed a speedy coin checking device, which will eventually substitute overseas products of same kind with its advantages of swiftness, accuracy and reasonable price. In good market prospect, it has been put into mass-production so far.