How to make Tachometer(RPM Meter) using arduino | ir tachometer | i2c lcd|

In this video I'll show how to make arduino tachometer using ir sensor.
Code :drive.google.com/folderview?i...
Arduino app :play.google.com/store/apps/de...
Thanks for watching.

[@tatsuohisakawa9027]

Thank you.
I tried everything and your data solved the problem.
Good job.😀

[@vijaybala185]

What is the pin number for connect the original sensor data pin to Arduino

[@d.thamaraiselvan1907]

Massa gethua

[@circuitoverload5960]

Ohooi😂

[@mehdwiyouth6338]

Sorry

[@mehdwiyouth6338]

Sir, please tell me can I relays on from speed rpm.?

[@d.thamaraiselvan1907]

@@mehdwiyouth6338 I can't understand what you are telling

[@mehdwiyouth6338]

The BRO that I want automatically relays when the high speed is adjusted to at least 20 rpm.?

[@bhoomikac3568]

there is an error in the first line of the program while compling can u please help

[@circuitoverload5960]

Check whether you added i2c address code and library file

[@BakulParmar-em8qi]

Hello Bhai
Coad not working please hello