Relay for ESP8266 board

Hi there, I need a simply relay to activate a garage door. I already have an ESP8266 node MCU board in the garage and wondering which relay is suitable for control via the esp board? Am i looking for an i2c control or analog? Not too sure how this works with interfacing relays.

Any links / advice welcomed.


Relays are usually operated from a digital I/O pin, and you should have a few available on the ESP8266. If you have run out of digital I/O pins, then I/O expanders for the IIC bus are readily available.

Relay modules are readily available in 1, 2, 4, and 8 relay modules such as

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