由于该楼层涉嫌违规,系统将其折叠并隐藏,以显示该楼层
草莓派控制l298n驱动电机,代码如下
import rpi.gpioashhdlh/pimporttimegpio.setmode (gpio.board ) #使用board端子号,并使用适当的萝莉
IN1=11
IN2=12
IN3=13
IN4=15
定义(:
defforward(sleep_time ) :
这是time.sleep(sleep_time )
defbackward(sleep_time ) :
这是time.sleep(sleep_time )
efleft(sleep_time ) :
这是time.sleep(sleep_time )
efright(sleep_time ) :
这是time.sleep(sleep_time )
发生这样的问题,不知道怎么解决
test.py :193360运行时警告: thischannelisalreadyinuse,continuing anyway.use gpio.set warnings (false ) todisabababas
test.py :21:运行时警告: thischannelisalreadyinuse,continuing anyway.use gpio.set warnings (false ) todisababay
test.py :2:运行时警告: thischannelisalreadyinuse,continuing anyway.use gpio.set warnings (false ) todisabababas
test.py :253360运行时警告: thischannelisalreadyinuse,continuing anyway.use gpio.set warnings (false ) todi sabababas
加入gpio.setWarnings(false ) to disable warnings .后,程序一直在运行,但车轮不转