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Smart Light Switch / Socket with Sonoff Extreme MINIR4 WiFi #sonoff #minir4

Welcome to UNBOXING and REVIEW of Sonoff MINIR4 Extreme. Guideline how to use, wire and connect to eWeLink app and Home Assistant.

Where to buy? affiliate links:

Official page: https://itead.cc/product/sonoff-minir4/ref/296/ (code for 10% discount SMARTTUBESONOFF)

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Material video in text form:
The Sonoff Mini R4 is an “extreme” version of the popular Sonoff relay series. This compact Wi-Fi relay is designed to fit neatly behind wall switches, making it a great competitor to the well-known Shelly relays. But how does it perform? Is it truly better and smaller? Let’s dive into the details.

What Is the Sonoff Mini R4?

The Sonoff Mini R4 is a smart switch relay that connects via Wi-Fi. It enables you to control your lights or devices remotely through the eWeLink app, Google Home, Alexa, or Home Assistant. Its standout feature is its extremely small size, which makes it easier to fit behind wall switches or in power sockets compared to similar products.

Unlike earlier versions of Sonoff relays, the Mini R4 boasts a sleek and compact design. Previous models, like the Mini R2, were bulkier and often challenging to install behind standard wall switches.

Why Choose the Sonoff Mini R4?

  1. Compact Size
    Measuring 39.5 x 33 x 16.8 mm, the Mini R4 is significantly smaller than its competitors, such as the Shelly 1 relay. This reduction in size—4 mm thinner than Shelly—can make a huge difference when installing it behind a switch or in tight spaces.
  2. Ease of Use
    Adding the Mini R4 to your smart home system is straightforward. Using the eWeLink app, you can quickly pair the device by scanning the QR code on the unit.
  3. LAN Control
    Unlike many devices that require constant cloud connectivity, the Mini R4 supports LAN control. This means you can control it within your home network, even without an internet connection.
  4. Wide Compatibility
    The relay works seamlessly with major platforms like Google Home, Alexa, and Home Assistant.

Ideal Use Cases

The Sonoff Mini R4 can be used in various applications:

  • Behind Wall Switches: Make your regular light switches smart while retaining their functionality.
  • In Power Sockets: Add smart control to electrical sockets.

However, it’s essential to note that the Mini R4 supports a maximum load of 10 amps (2,000+ watts). While sufficient for most household devices, it’s best to avoid using it with high-power appliances like dryers or washing machines to prevent overheating.

How It Compares to Shelly

While Shelly relays are rated for 16 amps, my experience with them has been disappointing. Many of my Shelly devices burned out or stopped working, even under normal usage conditions. The Mini R4, with its improved design and build quality, seems more reliable.

Installation Tips

Installing the Sonoff Mini R4 is relatively easy, but always ensure you cut power before working with electrical wiring.

  • Wiring Diagrams: The device comes with clear instructions for connecting it to lights or switches. While it doesn’t explicitly include diagrams for power sockets, the process is similar.
  • Neutral Wire Required: Be prepared to work with neutral wires, which may not be available in older buildings.

Real-Life Testing

I installed the Sonoff Mini R4 behind a wall switch in my garage. The process involved removing the switch, identifying the live and neutral wires, and connecting them to the relay as per the manual. Within minutes, I had it up and running. Pairing it with the eWeLink app was equally quick.

Once added to the app, controlling the relay was seamless, and integrating it into Home Assistant was just as easy.

Final Thoughts

The Sonoff Mini R4 is a fantastic addition to any smart home setup. Its compact size, reliable performance, and ease of integration make it a worthy competitor to Shelly and other similar devices. Whether you’re upgrading your lights, power sockets, or other devices, the Mini R4 is a great choice for smart control.

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