maix开发板检测到红色方块，闪烁红色led的代码

我可以回答这个问题。您可以使用以下代码来检测maix开发板上的红色方块并闪烁红色LED：

import sensor
import image
import lcd
import time

sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.skip_frames(time = 2000)
sensor.set_auto_gain(False)
sensor.set_auto_whitebal(False)

red_threshold = (30, 100, 15, 127, 15, 127)

lcd.init()
lcd.clear()

while(True):
    img = sensor.snapshot()
    blobs = img.find_blobs([red_threshold])
    if blobs:
        for b in blobs:
            img.draw_rectangle(b[0:4])
            img.draw_cross(b[5], b[6])
            lcd.draw_string(100, 100, "Red block detected!")
            lcd.draw_string(100, 120, "LED blinking...")
            for i in range(10):
                lcd.set_backlight(100)
                time.sleep(0.1)
                lcd.set_backlight(0)
                time.sleep(0.1)
    else:
        lcd.draw_string(100, 100, "No red block detected.")