We will make this project in two part . In first part we will design a remote controller circuit using RF module and in second part we then connect home applience to our circuit . The circuit below is fully tested on real hardware and if you are doing this project in proteus then you will need a RF module transmitter and receiver library . Many proteus do not have this library so check if you have this library or not if not please download from this link Rf module electronify read the instruction provided to include this library .Or alternatively you can download complete proteus simulation file from this link Rf module simulation electronify . And the explanation is below the circuit diagram .
Before explaining last time i am telling you that "without reading the data sheet of components you are using , you cannot design an efficient circuit " . In above project you will need a datasheet of M145026 and M145027 .Please download the data sheet from this link datasheet and read it carefully . M145026 is a encoder ic and M145027 is decoder ic . The encoder read the input state and generate a unique value after pressing a button and then the value is transmitted by transmitter . On the other hand Receiver receives the generated value from transmitter wirelessly and the decoder detect the value generated by encoder and then necessary action is done according to this value . That's all concept behind this project . If you have any further question about this project please leave a comment below , i will try to answer it .
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