How to make relay control circuit

i

Show the circuit diagram of the relay circuit. The amplifier circuit is used to amplify the signal
transistor base is applied wike signal output can be shown.

Components  Used:-
 

1. Relay 5v                       →Buy
2. Transistor-Bc547         →Buy
3. Resistor                        →Buy
4. Diodes-IN4148             →Buy
5. 5v supply                      →Buy
6. LED                              →Buy