Hi guys, I know this is probably a simple to answer questing but I couldn't find an answer googling it. Say I have the arduino uno which I supply with 9V externaly to the V in input. Now, I dont want to replace batteries every 4 days (for example) so I want to add more batteries to make sure the …

Connecting batteries for longer work time ?

system April 7, 2013, 8:29am 3

I'll make it an even more basic questing.
How do I extend the run time for an electrical device using multiple batteries? (how do I connected them together and so on.. )

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Connecting batteries for longer work time ?

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