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the transistor is acting like a switch and switching ground. It doesn't matter which way they are connected as long as the base is connected via the resistor to pin 2 or 3 as applicable. The middle pin is the base.
Polaris,
Can you email the actual Arduino sketch file? I would like to try what you got working before.
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2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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