物联网开发114 - Micropython ESP32 C3连接L9110电机驱动风扇模块和PS2双轴按键摇杆_l9110驱动

定义摇杆的vrx引脚

vrx = ADC(Pin(4))

定义摇杆的vry引脚

vry = ADC(Pin(5))

定义摇杆的vrx、vry的属性

vrx.atten(ADC.ATTN_11DB) # 衰减比为3.3V vrx.width(ADC.WIDTH_12BIT) # 宽度为12位，对应的范围0-4095

vry.atten(ADC.ATTN_11DB) #衰减比为3.3V vry.width(ADC.WIDTH_12BIT) # 宽度为12位，对应的范围0-4095

打印出摇杆x,y轴的数值

print("x: %d, y: %d"%(vrx.read(),vry.read()))

#L9110直流电机的PWM范围0-1023 moa = PWM(Pin(2),duty=(0),freq=(1000)) # 对应模块的INA引脚 mob = PWM(Pin(8),duty=(0),freq=(1000)) # 对应模块的INB引脚

定义摇杆的按键

key = Pin(3,Pin.IN,Pin.PULL_UP)

定义一个LED灯，当摇杆按键按下时反转led状态

led = Pin(12,Pin.OUT)

定义L9110电机驱动风扇模块函数

def motor(): if key.value() == 0: time.sleep(0.020) if key.value() == 0: # 如果摇杆按键值为0 led.value(not led.value()) # 反转led灯状态 # 正转 moa.duty(0) mob.duty(1023) while not key.value(): pass

try:
    # 获取摇杆vrx和vry的值
    x = vrx.read()
    y = vry.read()
    # L9110模块的PWM占空比
    moa.duty(int((x/4095)*1023))
    mob.duty(int((y/4095)*1023))
except:
    moa.deinit()
    mob.deinit()

def main(): # 正转 moa.duty(0) mob.duty(1023)

time.sleep(3)

# 反转
moa.duty(1023)
mob.duty(0)

time.sleep(3)

# 刹车
moa.duty(0)
mob.duty(0)

# 高阻态
moa.duty(1023)
mob.duty(1023)

while True:
   motor()

if name == "main": main()


**四、实验效果**


        运行上述代码后，L9110马达会正转3秒，倒转3秒。然后使用摇杆向上下左右推动摇杆，可以控制马达正反转。按下摇杆的按键，LED灯亮，马达最大转速，松开按键马达停止转动。


**五、各模块获取**


1，L9110电机驱动风扇模块


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 **资料网盘下载：https://pan.baidu.com/s/1PIdrVOh2WoYYsMYs5F3chQ**


2，双轴按键摇杆


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3，L9110s桥两路直流电机步进电机驱动板智能小车控制器模块


        如果你想控制多个马达可以使用这个模块，只需要在接两个小马达就可以了：


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