Hi i need your help please How to measure RPM with hall effect secsor ? i will use this task to measure the speed of a bike

[MSaye.1]

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[RomainR.]

Hello MSaye.1 (Community Member)

All STM32 embed many general purpose timer and they offer plenty of input captures with filtering feature to precisely measure time per revolution of a wheel (from Hall effect sensor).  

You should take a look at STM32Cube HAL library for TIMER for Input Capture example.

Let look the applications note below, they will help you.

Section 2.3 Timer input capture mode.

https://www.st.com/resource/en/application_note/an4013-stm32-crossseries-timer-overview-stmicroelectronics.pdf

Section 1.3 STM32 timer peripheral basic operating modes

https://www.st.com/resource/en/application_note/an4776-generalpurpose-timer-cookbook-for-stm32-microcontrollers-stmicroelectronics.pdf

Best regards,

Romain,

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[Javier1]

You are going to like this https://www.youtube.com/watch?v=xqzWQgpqHmI

google: stm32 timer encoder mode.