Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
我把程序烧录在U盘里保存了，再次插上电的时候闪了两下红灯就没了
https://book.openmv.cc/example/02-Board-Control/led-control.html
使用这个代码进行脱机测试。