Re: help - weird intermittent resets

"Paul B. Webster VK2BZC" <[email protected]>
Newsgroups gmane.comp.hardware.microcontrollers.gnupic
Organization Webster Medical Pty. Ltd.
Message-ID <[email protected]>
On Sat, 2005-07-30 at 14:13 +1200, David McNab wrote:
> I'm getting a weird and frustrating problem with a pic18f252 that
> intermittently resets itself.

> I've reduced my test program to the bare essentials - pseudo-code is:

>  - clear trisc.0
>  - while true
>      - reset portc.0  # turn on piezo buzzer
>      - wait 1ms       # long enough to click buzzer
>      - set portc.0    # turn off buzzer
>      - wait 249ms

  You are using a piezo disc?  Not an actual "buzzer" with driver
electronics included?

  If it is a "bare" piezo, try a resistor in series and see what happens
- about 1K.

-- 
  Cheers,
    Paul B.
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