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Icez said:Hi all..
i need to design a circuit to count the number of things passing through a sensor within a period of 14s. The circuit will show the number of box detected in this period...
can anyone help???
Icez said:Hi all..
i need to design a circuit to count the number of things passing through a sensor within a period of 14s. The circuit will show the number of box detected in this period...
can anyone help???
[/code]you can use optical beam interrupter circuit (infrared). It consist of infrared tx/rx, then interface it with a monostable circuit to generate your counting pulse. You may use CD4026B as the counter and 7-segment LED as the display (common cathode).