On Mon, 22 Jan 2018 16:14:34 -0000 (UTC), Gordon Henderson wrote:

>> gpio is a utilty supplied by WiringPi which I'm fairly sure isn't
>> included in the Raspbian distribution. Have you installed
WiringPi?
>
> wiringPi is installed as standard with Raspbian (full, not lite)

That'll be why I don't have wiringPi on two Oi's here, I use Lite...

> However he did execute the commands.

I was sort of hoping for "command not found" but getting useage info
when no parameters are supplied or just returning to the prompt shows
that gpio is there.

> My guess is that the GPIO is basically dead on this Pi.

The last very slim straw to grasp is the parameters for gpio being
correct for the GPIO and that the LED is connected to the correct pin
for that GPIO.

If the OP only wants to flash one LED, then hopefully one of the
other GPIO's will work.

--
Cheers
Dave.

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