Raspberry Pi Zero W

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Gordon
You might have to run it with sudo so it has priviledges to access the hardware?

Also, does:
```
echo 23 > /sys/class/gpio/export 
echo out > /sys/class/gpio/gpio23/direction
echo 1 > /sys/class/gpio/gpio23/value
```
work for you in the shell? I'm not 100% sure how the gpio command works.

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