Control 4 channel Relay Board by using Low Cost Radio frequency modules

Hi hello, electronics lovers today I am here to share this interesting project with you people, after successful completion of this project you would be able to control 4 devices using wirelessly. Devices may be your home appliances such as Tv, tube light, water pump, fan or any other device which you want to operate wirelessly. The transmitter range depends upon on antenna hight and structure. I will suggest you to first make sure this project on Proteus before implementation on PCB. This is an easy project must try it and don’t forget to share your feedback with us on the comment box. If you found any difficulty while making this project so don’t hesitate to ask, we are here to help you anytime anywhere. Kindly share this project with your college school and university friends.
Schematic Diagram for Transmitter side :

Schematic Diagram for Receiver side :

Implementation on Pcb

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Naresh May 30, 2018 - 6:48 pm

Dear friend how to use self learning switch in the circuit

Jain October 1, 2019 - 9:35 pm

what’s the function of 5th button,

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