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Designing tachometer using IR led with 8051

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niranjan23

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Hello....

I want to make project on tachometer using IR leds with AT89S51.

I want to know how to program time/counter to take measurement in RPM and how do I display on 16x2 LCD

and how to convert pulses in RPM...what is the formula for it???

I m programming microcontroller in Assembly
 

which device rpm you want to measure? a fan or a motor or anything else?
 

niranjan23 said:
Hello....

I want to make project on tachometer using IR leds with AT89S51.

I want to know how to program time/counter to take measurement in RPM and how do I display on 16x2 LCD

and how to convert pulses in RPM...what is the formula for it???

I m programming microcontroller in Assembly
Click to expand...


99 000 RPM Contact-Less Digital Tachometer
**broken link removed**


Other useful links for contact-less tacho:

How to make a contact-less digital tachometer using IR-light reflection technique
https://embedded-lab.com/blog/?p=2425

Digital tachometer using 8051
https://www.circuitstoday.com/digital-tachometer-using-8051






Best regards,
Peter
 
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