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Re: [AVR-Chat] back-up power supply circuit

2004-03-14 by John Johnson

Sorry, it's the backup.jpg file.

Regards,
   JJ

On Sunday, Mar 14, 2004, at 08:33 US/Eastern, John Johnson wrote:

> Here's a rough sketch:
>
> http://homepage.mac.com/johnatl/FileSharing25.html
>
> Regards,
>    JJ
>
> On Sunday, Mar 14, 2004, at 00:55 US/Eastern, jaythesis wrote:
>
>> hi!
>>
>> does anyone have a circuit design on back-up power supply? like if
>> the main power is cut-off, the battery automatically takes over to
>> supply the MCU. can i have the design?
>>
>> thanks in advance.
>>
>> -jay
>>
>>
>>
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