This work uses the Tuya smart module WBR3 wireless module to control the 4-way switch. Due to the use of the wireless WIFI module, the APP can be used to remotely control the closing of the quick switch, or the switch of the circuit itself can be used to control the closing of the switch. Advantages: The smart switch has a more comprehensive display. The status of all lights will be displayed on the mobile phone, making it clear at a glance. The switch interface is convenient and fast, and even the elderly and children can operate it simply and clearly. It is easy to maintain. If a certain switch fails, it will not affect the use of other switches. With timing function, lights can be turned on and off at scheduled times.
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