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("===可變電阻控制霹靂燈速度 啟動===")
while True:
    pot_value = pot.read_u16()
    delay_time = 0.05 + (pot_value / 65535) * 0.5
    print(f"電阻值：{pot_value:5d} | 閃爍延遲：{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)