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mixed batteries

hi

i was just wondering if its ok to mix recgargeable batteries with normal ones...i ask cos 3 rechargable AA's and one normal would give me 5.1v thus removing a voltage problem i've mentioned elsewhere

thanks peeps

dom

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i had a nasty feeling someone would say that...i was trying to avoid voltage regulators due to the nightmarish conversation i had here the other night...back to square one

One 7805, a cap or two, an in and an out. Share grounds. 

Did someone scare you about regulators?

 

u can do it with NiMH and alcaline, but NEVER do it with Lithium-anything cells.