friends i need circuit for rf remote keypad automation

friends i want make one circuit which can give me auto rf remote keypad press i iwill solder keypadd pins to circuit for connection blinks .5ms this circuit must be 220v direclty or with adaptor 12volts if any one can help me guide me please

this is example attachment of rf remote with 4 keypads once u open and shot keypad light turn on like u press key i will connect my circuit output wires to those pads ignore the receiver circuit
 

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h2kclan,
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