import machine
import time


pot = machine.ADC(26)


led_pins = [11, 12 , 13, 14, 15]
leds = []
for pin_num in led_pins:
    leds.append(machine.Pin(pin_num, machine.Pin.OUT))
print("===  啟動 ===")
while True:
    pot_value = pot.read_u16()
    delay_time = 0.05 + (pot_value / 65535) * 0.5
    print(f"電阻: {pot_value:5d} | 延遲: {delay_time:.2f} 秒")
    for led in leds:
        led.value(1) 
        pot_value = pot.read_u16()
        delay_time = 0.05 + (pot_value / 65535) * 0.5
        time.sleep(delay_time)
        led.value(0) 
    for led in reversed(leds[1:-1]):
        led.value(1)
        pot_value = pot.read_u16()
        delay_time = 0.05 + (pot_value / 65535) * 0.5
        time.sleep(delay_time)
        led.value(0)