I need to create the circuit equivalent of a SPDT switch. I thought it would be simple, with a couple transistors, but I'm out of my element. I want it to be able to pass 1 amp at 3-5 volts. A low state on an Arduino pin would cause it to be in one position, and a high pin would switch to the other …

SPDT Switch

system April 2, 2010, 5:10pm 3

Or, to overcomplicate things, a servo and a SPDT switch.

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