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Using RTC on its Own

I envy the bomb makers. They don't need to worry about WEEE.

Allan

Reply to
Allan Herriman
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And don't forget the buzzer to beep each time the second changes. And one of those wires must be red and the other blue - you're not allowed to use all black or all grey wires like other electornics hobbyist.

Reply to
slebetman

I suspect that you misunderstand the working of the RTC - it is not like an electric clock motor that will just start again from where it left off. If power is removed, the chip will forget everything and require connection to a microprocessor again. I think you require a chip that is powered by (long life) battery and can have its timing function stopped and started from an external contact.

Geo

Reply to
Geo

Sounds like you could use a lowly 22V10 instead of a uC.

--
JosephKK
Gegen dummheit kampfen Die Gotter Selbst, vergebens.  
--Shiller
Reply to
Joseph2k

Now that would be a good challenge.

How would you do that ???

d
Reply to
Donald

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