DTMF Based Home Automation

Required Components :-

Aux Wire -1
100K Resistor -2
330K resistor -1
104 pF Cap -2
22 pF cap -2
3.57 Mhz Crystal -1
LEDs -3
1K resistor -6
LM7805 -1
MT8870 DTMF Decoder -1
BC547 -3
Relay 12v -3
2 pin Connector -3

Circuit Diagram :-

PCB Boards :-

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