@kaffemitmilf, your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advise on) your project See About the Installation & Troubleshooting category.
A LED (plus resistor) can be wired to a microcontroller in two ways
- between pin and GND in which case you have to drive the pin HIGH to switch the LED on.
- between pin and Vcc in which case you have to drive the pin LOW to switch the LED on.