Take a look at the schematic here
http://www.picbasic.co.uk/forum/content.php?r=272-USB-SD-LOGGING
Keep in mind the whole system runs at ~3 volts.
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Re: Why Or'd Vcc with backup battery output shorted battery life?
Take a look at the schematic here
http://www.picbasic.co.uk/forum/content.php?r=272-USB-SD-LOGGING
Keep in mind the whole system runs at ~3 volts.
Dave
Always wear safety glasses while programming.
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