Step 1: Part Selection
5. Two Resistors ( recommended 1k ohm and 220 ohm).
6. NPN transistor ( recommended BC639).
Step 2: Connection.
I don't think I have to say much about the connection. since the image shows everything. usually when browse google the connection is not setup in this manner. The images I saw on Google made it wee bit difficult for me to understand. That is why I am setting up my diagram this way for those who think like me.I hope this can help anyone looking to setup a relay module. Thank you until next time. Bye.