The wireless communication plan is CSMA/CD ,which is a kind of method used by IEEE802.3 network.The LED driving plan is PWM.

• 采用IEEE802.；3类型网络用的控制方法(CSMA/CD即带有冲突检测的载波侦听多路访问法)；来解决无线通讯中对共享传输介质的访问的冲突问题;