I'm trying to get started with GPIO, but I just can't get this LED to flash on and off, for some reason.
I'm using Raspbian on an old model B Pi with a 26 pin breakout board and a breadboard. The wiring is fine, the LED turns on but nothing happens when I run the code, it just stays on solid. I have a photo of the wired breadboard as well as the code. The LED IS lit, a bit hard to see as the pic was taken with a flash so you can see detail better. To be clear, the led does light up when the Pi is on.
The following is the code from the tutorial that I am using:
import RPi.GPIO as GPIO
import time
pinNum = 8
GPIO.setmode(GPIO.BCM) #numbering scheme that corresponds to breakout board and pin layout
GPIO.setup(pinNum,GPIO.OUT) #replace pinNum with whatever pin you used, this sets up that pin as an output
#set LED to flash forever
while True:
GPIO.output(pinNum,GPIO.HIGH)
time.sleep(0.5)
GPIO.output(pinNum,GPIO.LOW)
time.sleep(0.5)