Help me with length counter project with 89C8252

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vijaya_narayana

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hello everybody

i am working onan length calculator project i am using 89c8252 could any body help in this regard i am calculating the length by measuring the rpm the length is .75 meters for 1 rpm
 

Re: length counter

Use a rotary encoder ..
You can make one (old computer mouse), or buy one (rather expensive option) ..
A little bit of theory and 8051-based practical example is here:
**broken link removed**

Regards,
IanP
 

length counter

Use a proximity or opto-coupler for measuring RPM and multiply by lenth.
 

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