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When changing the distribution kit, gpio stopped working on Orange Pi - how to treat it?
The bottom line is this, I had an Armbian distribution on my Orange Pi - some old one, it was not even updated.
A relay in the amount of four pieces is attached to it - with wiring for sockets and light bulbs (a light bulb is a more visual indicator). I taxied them, including GPIO 4, 18, 23, 24
echo 4 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio4/direction
echo 0 > /sys/class/gpio/gpio4/value
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While I returned the image of the old working flash drive. The version was:
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