Joke Collection Website - Public benefit messages - How to connect gsm one-way SMS ringing controller, mobile phone remote control switch and lottery?
How to connect gsm one-way SMS ringing controller, mobile phone remote control switch and lottery?
Gsm mobile phone remote control switch is a remote control device which uses mobile phone signal to control the start and stop of water pump. Its remote control distance is not affected by space obstacles, which is theoretically infinite. When controlling the water pump, it needs to be realized by AC contactor, and the wiring method is as follows:
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