Course not, its a solid state switch, nothing bouncing like a mechanical contact.  On the other hand, you might consider multiple polls to ensure the sensor is active and your not just reading noise on the line (depending on how you have it designed).


--- On Thu, 8/14/08, Harry H. Arends <h.arends@home.nl> wrote:

> From: Harry H. Arends <h.arends@home.nl>
> Subject: [PIC] Is there a need for HALL debouncing
> To: "'Microcontroller discussion list - Public.'" <piclist@mit.edu>
> Date: Thursday, August 14, 2008, 5:46 AM
> Hi there,
>  
> Is there a need for a piece of debouncing check on slow
> moving HALL sensors
> connected to a MCU?
>  
> Harry
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