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The Sonoff SV is a Sonoff that uses DC only.

Modes

Pinout

Wiring the Sonoff to the serial cable

Flashing Sonoff using Arduino IDE

The Arduino project is located in Sonoff-Tasmota/sonoff/sonoff.ino.

• Copy Libs to Arduino libs folder

> cd Sonoff-Tasmota/lib

> cp -R * ~/Documents/Arduino/libraries/.

• Startup the Arduino IDE
• Open sonoff.ino
• Update parameters in user_config.h. These will be the default values for SSID, etc.

• Set Board Info

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• Connect the Sonoff device to a USB port while holding down the button. This will put it in flash mode.

• Select the serial port of the Sonoff device

• Upload and you are done.

See https://github.com/arendst/Sonoff-Tasmota/wiki/Arduino-IDE

Commands

http://HOST/cm?user=USER&password=PASSWORD&cmnd=Power%20TOGGLE

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{"POWER":"OFF"}

{"POWER":"ON"}

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Power%20On

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{"POWER":"ON"}

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Power%20Off

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{"POWER":"OFF"}

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{"POWER":"ON"}

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{"FriendlyName1":"Sonoff"}

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{"Status":{"Module":1,"FriendlyName":"Sonoff","Topic":"sonoff" 

,"ButtonTopic":"0","Power":0,"PowerOnState":3,"LedState":1

,"SaveData":1,"SaveState":1,"ButtonRetain":0,"PowerRetain":0}}

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Flashing Sonoff using Arduino IDE

These instructions are the same as for the Sonoff Basic.

See Sonoff Basic

Packaging

Who would have guessed it that the Sonoff SV fits in the Sonoff Basic shell. And it even has the same holes for adding the terminal connectors at the input and output. 

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References

See https://github.com/arendst/Sonoff-Tasmota/wiki/Commands for the full list.

References