from maix import audio, time, app,gpio


# button1 = gpio.GPIO("ADC", gpio.Mode.IN)
button3 = gpio.GPIO("A26", gpio.Mode.IN) # 可用
button2 = gpio.GPIO("A16", gpio.Mode.IN)
#设置低电平
from maix.peripheral import adc
channel = 0
res_bit = adc.RES_BIT_12
_adc_obj = adc.ADC(channel, res_bit)


while not app.need_exit():
    # print(f"b1: {button1.value()}")

    print(f"b2: {button2.value()}")

    # print(_adc_obj.read_vol())
    print(f"b3: {button3.value()}")
    time.sleep_ms(50)

    # time.sleep_ms(1000)