circuit to be connected to a counter - Electronics in Meccano

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circuit to be connected to a counter

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circuit to be connected to a counter

Hi
I want to design electronic counter so as a to count people enter into toilet.I am thinking of using IR emitter and phototransistor ,Can anyone help me to go throgh the designing.
Thanks
Lucy

Posted by Lucy (fortunataj@yahoo.co.uk) on 14/05/2004, at 15:23 GMT




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