import time
time.sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")
from machine import Pin,PWM

led = PWM(Pin(16))
led.freq(1000)

while True:
    line = input("insert brightness value:")
    out = int(line)/100*65535
    print(out)
    led.duty_u16(int(out))