from utime import*
from machine import*
LR=Pin(2,Pin.OUT)
LV=Pin(8,Pin.OUT)
LB=Pin(14,Pin.OUT)
B=Pin(21,Pin.IN,Pin.PULL_DOWN)
P=ADC(28)
a=%25
b=%75
conv=3.3/65535
print("bouton ")
print(B.value)
LB.value(0)
while True :
    if B.value() == 1 :
        print(B.value)
        print("bouton appuyé")
        VAL = P.read_u16()*conv
        print(VAL)
        if  VAL < a :
            print("LR")
            LR.value(1)
            sleep(1+VAL)
            LR.value(0)
        elif a <= VAL <= b :
            print("LV")
            LV.value(1)
            sleep(1+VAL)
            LV.value(0)
        elif b < VAL  :
            print("LB")
            LB.value(1)
            sleep(1+VAL)
            LB.value(0)