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Home > New Gear > Sonoff Basic R3 unboxing : Wi-Fi-relay with DIY and LAN mode
Sonoff Basic R3 unboxing : Wi-Fi-relay with DIY and LAN mode

Sonoff Basic R3 unboxing : Wi-Fi-relay with DIY and LAN mode

By  Adan Flannigan 2019-08-26 1864 0

Sonoff Basic R3 IS AN DIY compatible WiFi smart switch. It can directly control household appliances via smartphones, or Amazon Alexa and Google Assistant. Today we will talk about the most affordable controlled relay Sonoff Basic R3, its design, features and functions.

Product package

Sonoff Basic R3 

The box is blue and a DIY logo in the top right corner. The back side of the box lists the main parameters of the device and the scope of delivery. Similar to Ifan03, the device is compatible with Google Assistant, Amazon Alexa, Nest and IFTTT.

In addition to Sonoff basic R3 and the set of contact wire fasteners and jumpers for activating the DIY mode, there is a small instruction in the kit,

Product design

The generation relay has undergone significant changes with previous versions. The shape of the housing made of white plastic has been changed, all the inscriptions are now embossed and the size of the relay is slightly larger.

Sonoff Basic R3 

There is a button on the lid for pairing and control, 2 LEDs. Holes for contact cables on the ends.

SONOFF Basic R3 parameters are duplicated on the bottom side. There is also access to two self-tapping screws that hold the lower and upper parts. To connect the contact wires and fix the relay itself, it is not necessary to disassemble it completely, just remove the cover.

The wires are clamped in the terminal block and are fastened with the help of complete screw clamps for reliability. Unscrewing the screws and removing the cover - get access to the inside of the gadget. Compared to the first version - there are also a number of design changes.

The new version uses the microcontroller ESP 8285 instead of the old ESP 8266, it differs in the fact that the flash memory of 1 MB - already built into it, while in the first versions it was sold separately.

The controller with wi-fi antenna is placed on a separate board, which is attached to the main board through two contact blocks, in the first version - everything was done on one board. The power tracks are well soldered, compared to the first version - added a little in width. There are no fuses in the design - this has to be taken into account.

How to pair on the APP eWeLink and operate Sonoff basic R3?

The Ewelink application is used for the work. After installation and start,

Step 1: press the button “+”, add the device, and select the quick pairing mode. The appliance must be in the wi-fi network 2.4 GHz

Sonoff Basic R3  

Step 2: Waite for 3 minutes for search new device. At this time, the relay must be powered up and will go into synchronization mode.


Step 3: Now the relay is displayed in the list of devices. You can turn on/off, check the firmware update .

APP eWeLink instruction 

The plugin is simple and understandable. In the center is the only on/off button, at the bottom are the additional options, which are described below, the menu in the upper right corner gives access to the settings. From those that are not clear - the power supply at the site - the status of the relay when switching on, on, off or save, Duration - the time after which the relay will turn off when switching on, and on the LAN should stop in more detail

Sonoff Basic R3​ 

LAN mode allows you to control the relay directly, without sending commands to the cloud, but provided that the appliance - smartphone, tablet, are in the same local network with the relay. When the mode is activated, an icon with three connected rectangles is displayed in the device list on the right side of the screen.

From the standard features, you can set a schedule to turn the device on or off, including multiple times. A timer that also works on and off, as well as a cyclic timer that helps to automate repetitive tasks, such as turning on the lights or watering for plants, turning on ventilation, heating, etc.

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