• 三个引脚，一个-接GND，两个颜色接GPIO

import utime, random
from machine import Pin
Red = Pin(16, machine.Pin.OUT)
Green = Pin(17, Pin.OUT)
while True:
    r = random.randint(0, 1)
    g = random.randint(0, 1)
    Red.value(r)
    utime.sleep(0.01)
    Green.value(g)
    utime.sleep(0.01)