Relay / Reductor 220v A 5v / Reductor 5v 3v3

@safernandez wrote:

Hello! I m new in Electronic! Can you help me to find this components? I not sure...If I am correctly selecting the Relay.

I want to make something like this...

2016-02-01T06-04-10.194Z-Esp8266-01 Wifi Relay Module.jpg.855x570_q85_pad_rcrop.jpg855x570 53.2 KB

Thanks for all!

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