from machine import Pin, Timer
import time
import math

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

led1_pin = Pin("LED", Pin.OUT)
timer = Timer()

def blink(timer):
    led1_pin.toggle()
    # led1_pin.value(not led1_pin.value())

timer.init(freq=2.5, mode=Timer.PERIODIC, callback=blink)
sine_table = [int((math.sin(math.radians(i)) + 1) * 500) for i in range(360)]

while True:
    for v in sine_table:
        print(v)
        time.sleep_ms(500)  # 控制波形頻率