擅长:python、mysql、java
<p>从错误来看,似乎你需要设置GPIO.setmode. 在</p>
<pre><code>import RPi.GPIO as GPIO
# for GPIO numbering, choose BCM
GPIO.setmode(GPIO.BCM)
# or, for pin numbering, choose BOARD
GPIO.setmode(GPIO.BOARD)
# but you can't have both, so only use one!!!
</code></pre>
<p>这里有一篇很好的文章:<a href="http://raspi.tv/2013/rpi-gpio-basics-4-setting-up-rpi-gpio-numbering-systems-and-inputs" rel="nofollow noreferrer">http://raspi.tv/2013/rpi-gpio-basics-4-setting-up-rpi-gpio-numbering-systems-and-inputs</a></p>