Before you go, check this out!
We have lots more on the site to show you. You've only seen one page. Check out this post which is one of the most popular of all time.
How to automate your gate opener with a Sonoff WiFi Smart Switch
When the home automation bug bit, the first project I set my sights on was to wire up my ET DC Blue Advanced garage door opener with the Sonoff DC12V/5-32V Wireless WiFi Smart Switch. Read that blog...