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[ 5 posts ] |
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Jugin
Joined: 15 Apr 2013, 17:12
Posts: 8
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I try to manage GPIO12:
echo 12 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio12/direction
echo 1 > /sys/class/gpio/gpio12/value
echo 0 > /sys/class/gpio/gpio12/value
But the voltage at J12 pin 9 is not changed. Where an error?
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| 24 Jun 2013, 19:06 |
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matzem
Joined: 27 Nov 2012, 07:59
Posts: 16
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gpio 12 is reserved for UART CTS
Try another GPIO like 23,22,21,20,19,18,17,16,15,1
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| 25 Jun 2013, 07:48 |
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Jugin
Joined: 15 Apr 2013, 17:12
Posts: 8
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Thanks, GPIO18 worked.
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| 25 Jun 2013, 16:43 |
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valent
Joined: 18 Nov 2013, 18:44
Posts: 54
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| 17 Jun 2014, 20:13 |
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FPeter
Joined: 21 Aug 2013, 21:21
Posts: 101
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| 18 Jun 2014, 07:18 |
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