Sensor detector circuit

[Icez]

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???

 

[Nigel Goodwin]

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???

Is this an actual requirement?, or just a school project?.

For an actual working unit a micro-controller is probably the way to go, but this may not satisfy the requirements of a school assignment.

 

[Icez]

Juz a sch project...

 

[folarinv]

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???

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).

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[scenes]

hi.. i wanna do a mini project on sensor..
it must be used to count the objects passed using sensor... can
anyone help me...pls