Arduino cor tutorial episode#1 schematic

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Schematic diagram
A very simple shematic using arduino nano.
Audio in pass thru 0.1 cap thru 56k resistor all in 1/4 watts.
A 5v regulator to vin pin of nano
Identical ground from supply 13.8v
5 voltsTrigger pass thru 10k resistor
To base of 2n2222 transistor
Out to pin 11 for ptt switch using 2n2222 transistor....

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