At 11:45 AM 25/11/04 +0700, you wrote:
>
>The biggest question is: is the problem caused by HARDWARE
>or SOFTWARE? i look at my software and it seems ok. i look
>at the hardware schematics and it also looks OK. In the
>situation like what i am in now, which should i check
>first? Hardware? or Software?
Most likely voltage/current spikes getting into you power supply
and upsetting your firmware. Make sure your motors or relays
have proper noise suppression like capacitors, diodes, MOVs
etc...well that's a start. Of course seeing that you are NOT using
the AVR chips we can't be of much help :-))
Regards
John Samperi
******************************************************
Ampertronics Pty. Ltd.
11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA
Tel. (02) 9674-6495 Fax (02) 9674-8745
Email: samperi@ampertronics.com.au
Website http://www.ampertronics.com.au
* Electronic Design * Custom Products * Contract Assembly
******************************************************Message
Re: [AVR-Chat] controlling relays and motors
2004-11-25 by John Samperi
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