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Sonoff Micro: Small Smart USB WiFi Switch

The Sonoff Micro is a smart switch for USB devices, which you can operate via WiFi. What makes this switch unique is that the input is also USB-A, so the device works completely on 5 volts. This in contrast to other switches, which usually work on mains power.

SONOFF® Micro 5V Wireless USB Smart WiFi Mini USB Power Adaptor Switch
Tested and recommended by OneGuyOneBlog.com:

SONOFF® Micro 5V Wireless USB Smart WiFi Mini USB Power Adaptor Switch
Banggood.com

Operation

Like other Sonoff products, you can operate the Micro with the eWeLink app. This app is available for both Android and iPhone (iOS). You can also operate the device manually with the small push button, the app will then display the current status. In addition, the Sonoff Micro is of course compatible with Google Home Assistant, Amazon Alexa, Nest and IFTTT.

Sonoff Micro: Small Smart USB WiFi Switch - Details
Sonoff Micro: Small Smart USB WiFi Switch – Details

With the eWeLink app you can also set timers and “scenes”. With the latter you can operate several devices at the same time. So you could, for example, turn other switches in the house on or off with the button on the Micro. This way you can use it as a (portable) remote control.

The Micro also has two tiny LEDs, which are barely visible in daylight. The red indicates the status of the switch (on / off), the blue the status of the WiFi connection.

Sonoff smart WiFi switches

If you are familiar with concepts such as “smart home” and “home automation” then you probably also know the smart switches from the Sonoff brand. These switches are known for their quality at a low price. Popular models include the Basic R2, Basic R3 and S20. In addition, a number of models are easy to “hack” and provide with alternative firmware. see for example the previous blog “Flashing Tasmota on Sonoff Basic R2 using Linux“.

Tasmota on the Sonoff Micro?

Unlike other Sonoff devices, the Micro is not based on the ESP8266 WiFi microcontroller, but on the CKW04 i802.11 WiFi module from Coolkit. As a result, it will unfortunately (for the time being) not be possible to flash an alternative firmware such as Tasmota.

Sonoff Micro: Small Smart USB WiFi Switch - Unboxing
Sonoff Micro: Small Smart USB WiFi Switch – Unboxing
SONOFF® Micro 5V Wireless USB Smart WiFi Mini USB Power Adaptor Switch
Tested and recommended by OneGuyOneBlog.com:

SONOFF® Micro 5V Wireless USB Smart WiFi Mini USB Power Adaptor Switch
Banggood.com

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