例程讲解-10-led_control LED控制
# LED 控制例子
#
# 这个例子展示了如何控制你的OpenMV的内置的LED。使用你的手机才能看到IR LED。
import time
from pyb import LED
red_led = LED(1)
green_led = LED(2)
blue_led = LED(3)
ir_led = LED(4)
def led_control(x):
if (x&1)==0: red_led.off()
elif (x&1)==1: red_led.on()
if (x&2)==0: green_led.off()
elif (x&2)==2: green_led.on()
if (x&4)==0: blue_led.off()
elif (x&4)==4: blue_led.on()
if (x&8)==0: ir_led.off()
elif (x&8)==8: ir_led.on()
while(True):
for i in range(16):
led_control(i)
time.sleep_ms(500)