AVR-Chat

Hi All,

Need some ideas on charging nicads to get the most life out of them in
low duty cycle pulsed current load and as long life as possible 

Situation is similar to a smoke alarm.

Any ideas ?

The product will have an AVR something like a Tiny15, but I do not want
to go to the extreams of the AVR app note 450 design, the device will be
selfcontained running off the 240Vac using more than likely a mains
voltage reg or capacitive divider to ~12 then zener resistive to +5v for
the AVR.

Regards,

Kat.

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