Sonoff FAQs

  • I want to turn on/off my water heater. Which device should I use?

    If you care about seeing the water temperature of your water heater, and the distance between the Sonoff device and the water tank is less than 5 meters, check out the Sonoff TH Origin and the Sonoff temperature sensor.

    If your water heater requires less than 7A, than the Sonoff BASICR2 is the best choice.

    If your water heater requires between 8A and 17A, and you do not care about monitoring the temperature, than the Sonoff POW Elite is the best choice. As a bonus, you also get to monitor the power used by the water heater.

  • What is a Sonoff Smart Switch?

    A Sonoff Smart Switch is a wireless, remote-controlled switch that can be used to control electronic devices in your home.

  • What is the difference between Sonoff MINI R4 and Sonoff BASIC?

    The Sonoff Basic and Sonoff Mini are both smart home devices made by the company Sonoff. They are both WiFi-enabled and can be controlled remotely through the eWeLink app on your smartphone.

    However, there are a few key differences between the two devices. The Sonoff Basic is a larger device that can be used to control a wide range of appliances, including lamps, fans, and other home appliances. It comes with a standard-sized (86mm x 86mm) wall plate that fits over a single gang electrical box.

    On the other hand, the Sonoff Mini is a smaller, more compact device that is designed to control smaller appliances, such as lights and outlets. It comes with a smaller (45mm x 23mm) wall plate that can fit into a single gang electrical box or be mounted directly onto a surface using the included mounting screws.

    In terms of features, both devices offer the same basic functionality, including the ability to turn appliances on and off remotely and set up timers and schedules. However, the Sonoff Mini has a few additional features, such as the ability to control the device using voice commands through Amazon Alexa and Google Assistant.

    Overall, the main difference between the Sonoff Basic and Sonoff Mini is the size and design of the devices, as well as a few additional features on the Mini.

  • What is the difference between Sonoff BASIC R2 and Sonoff S26R2?

  • I want a device that supports DC power. Which Sonoff device should I use?

    Check out the SONOFF 4CH PRO R3 4-gang Wi-Fi Smart Switch.  It supports four channels of 220V AC or 9-23V DC.

    Or check out the Shelly One smart switch, from another brand. It supports 24-60V DC and 12V DC and dry contact.

  • I want to control a USB-powered device. Which Sonoff device should I use?

    Check out the Sonoff MICRO.

  • I want to make my wall-switch smart. Which Sonoff device should I use?

    If your wall switch contains one button, then check out the Sonoff MINI R4.

    If your wall switch contains two buttons, then check out the Sonoff DUAL R3.

    If you’re looking for an all-in-one solution with touch screen and two buttons, check the Sonoff NSPanel.

  • I want to make my electric roller shutters (monobloc) or blinds smart. Which Sonoff device should I use?

    Check out the Sonoff Dual R3. It is a two-gang smart switch relay product that can measure power usage in a small size. It is a flush-mounted Wi-Fi smart dual relay switch module that can be installed behind any standard switch or electric socket. It is compatible with lights and roller shutters. Check this video to learn more:

    If you’re looking for an all-in-one solution, check the Sonoff NSPanel.

  • I want to replace my wall switch with a smart wall switch. Which Sonoff device should I use?

    Check out the Sonoff NSPanel. It has two buttons and a touch screen. It can help you achieve the use of specific scene modes in different scenes with one tap. In addition to the scenario based control, it is compatible with almost all sonoff devices and the central control function of the control group.

  • Can I control the Sonoff device from another phone (sharing with family members)

    Yes, you can share the device with your family members, check this video out: https://youtu.be/G6VrOKCtSJ4

    If you want to share only one specific device(not all the devices in your home), then check this out : https://youtu.be/CtHZ2WxwVcc

     

     

  • What happens when electricity is back? Does the device turn on, or turn off?

    Yes, there is a power-on state setting in the app. You can define this setting in the eWeLink app, check this video to learn how: https://youtu.be/1AGixapLEO0

  • How do I set up a Sonoff Smart Switch?

    To set up a Sonoff Smart Switch, you will need to download the eWeLink app and follow the instructions for connecting the switch to your home’s Wi-Fi network.

  • Can I control my Sonoff Smart Switch with Amazon Alexa or Google Assistant?

    Yes, you can control your Sonoff Smart Switch with Amazon Alexa or Google Assistant by connecting the switch to the eWeLink app and linking the app to your Alexa or Google Assistant account.

  • Can I schedule my Sonoff Smart Switch to turn on and off automatically?

    Yes, you can schedule your Sonoff Smart Switch to turn on and off automatically through the eWeLink app.

  • Is there a limit to the number of Sonoff Smart Switches that I can control with the eWeLink app?

    No, there is no limit to the number of Sonoff Smart Switches that you can control with the eWeLink app.

  • Can I control my Sonoff Smart Switch remotely?

    Yes, you can control your Sonoff Smart Switch remotely through the eWeLink app.

  • How can I make my AC smart?

    You have two options:

    • Option A:
      • If your AC saves its power state after electricity is restored, you can use a Sonoff BASIC R2 or Sonoff smart plug to control it ON/OFF and set schedules.
      • If your AC does not save its power after electricity is restored, using a Sonoff smart plug or Sonoff basic will not help and you should check the option B.
    • Option B ( If your AC has an infrared remote):
      • You can use the Broadlink RM Mini 4C to control it on/off and change its temperature and other settings. Check this video to learn how to use the Broadlink to control your AC.
        • Note: The Broadlink does not remember the state of your AC(just like the remote), it just assumes it. So if the AC is off and you turn it on using the Broadlink app, it will turn on, and if it is on and you turn it on as well from the Broadlink app, it will turn off, because the ON/OFF signal is the same IR signal (unless your AC has separate buttons for on and off).
      • Another popular option with Apple HomeKit + Air Quality Monitor: Sensibo Air Pro. A video can be found here.