Sonoff sv is a low voltage switch.
Sonoff sv garage door no voltage.
All you need is a cheap electromagnetic lock a low cost sonoff sv and a power plug.
Personally i ve got two garage doors and both are triggered by a 0 3 sec inch and that s it no constant voltage.
The sonoff units take mains power at one end and delivers switched mains power at the other internally they have a small transformer to run the esp8266 device and a 10amp relay to switch the power.
And when you require door to open close you make an inch.
Sonoff makes all your home appliances smart.
1 remotely control your door anytime and anywhere via.
Sonoff sv is a wifi 2g 3g 4g wireless smart switch that supports 5 24v power supply.
It can be perfectly used for amazon alexa google nest and android ios app named ewelink.
Remove the two resistors to the right of the input.
The low voltage light switch supports 5 24v power supply.
In this video i explain how to turn a sonoff basic into a garage door opener and use it in ewelink.
No custom firmware but some hardware modification to the.
If you want to make a card that says garage doors instead of cover then open your groups yaml.
This is not always useful and instead you need a dry contact no voltage relay.
By default the sonoff sv passes voltage to the relay terminals.
Sonoff sv safe voltage is a low power supply wifi switch.
Set module type to sonoff sv 03 set gpio 14 to switch2 10 now after the sv reboots go to the console and type the following 4 commands.
Switchtopic 1 switchmode1 0 switchmode2 2 powerretain 1.
It has gipo reserved to support secondary development.
Power supply separation enables it to control both ac and dc power although some welding is required for this purpose.
My garage door like most has a low voltage pair of connectors that run to a button on the wall and when connected with a button press opens or.
An multimeter an app installed on smart phone or tablet.
An electric soldering iron.
Now set it aside and unplug the board and lets get the hardware ready.
So you push voltage from sonoff sv to the door most of the time.
I ve wired my sonoff sv like the picture below.
It s easy and it ll cost you a little money.