Blinky sample For the Blinky sample, make sure that SW1[10] (LED control) is turned ON. If it is OFF, the LED will not blink. Build cd ~/myproject source .venv/bin/activate west build -p always -b scobc_a1 --shield scobc_a1_dev zephyr/samples/basic/blinky This should build your first application, Blinky. These steps match the Build the Blinky Sample section in the Zephyr documentation. Flash Next, we’ll flash the SC-OBC Module A1: west flash Confirm After flashing, power-cycle the SC-OBC Module A1. You should see the blinking LED (LED11).