FRDM-KL25Z and multiple hall sensors

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FRDM-KL25Z and multiple hall sensors

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rajakumar
Contributor I

Hi All,


Requirement :

Count the pulses generated by hall sensor inside a flow meter.  The hall sensor produces around 330 pulse / second.  There would be around 6-10 flow meters connected to a circuit for calculating the total consumption.


Is frdm-kl25z my best bet to start this project or is there any other better alternative available.  


I am thinking of using the GPIO pins in interrupt mode to count the pulse.  Can multiple interrupts work without data loss parallely. Can the MKL25Z128VLK4 MCU handle this.


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2 Replies

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Paul_Tian
NXP Employee
NXP Employee

Hi, Rejakumar

Yes, You can use MKL25Z128VLK4(TPM function/GPIO function) in your application.


Hope my reply can help you.


Best Regards

Paul

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rajakumar
Contributor I

Hi Zhe Tian,

Thanks for help.

Just ordered the FRDM-KL25Z kit.  Will update once I have it working.

Regards,

Rajakumar.S

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