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GPIO stands for General Purpose Input Output and can be used to receive and send digital signals to and from simple electronics from the Raspberry Pi.
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Can't Set/reset GPIO pins using nodejs, why?
/x_pipw : all ok
2) testing LED using command-line
sudo -i
echo "23" > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio23/direction
echo "1" > /sys/class/gpio/gpio23/value
echo "0" > /sys … which stops my program/package accessing GPIO? …