Hey, i'm sure someone has come across this before but I don't know where to post it and can't find anything in the search. I have a 5V pro mini, and a 3.3V XBee. I want to power both of these off of a 9V power supply. If i hook everything up without regulating anything the pro mini powers up fine, …

Power Supply

Grumpy_Mike September 1, 2009, 12:47pm 3

but the xbee isn't happy with a fluctuating power supply.

If you gave the xbee 9v I am surprised it still works. people have killed them by just giving them 5V.

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