Sonoff vs Shelly Quick Guide and Research Notes

Sonoff and Shelly are probably the two most popular 240V wireless switches on the market.

So if you are just starting with home automation then which do you choose?



In this quick guide I will present some of the research I found on the Internet so as to give you a better understanding of the devices.

Regardless of which device you do choose then I would always recommend you standardise on one and don’t go for a mixture.

Pricing

Sonoff tend to be a little cheaper than Shelly but that really is only an issue if you are going to be using lots of switches.

Research Notes:

I also have a Sonoff Basic (not R3) inline with a floor lamp. The wiring is easy to understand, so it’s easy for most people to install (compared to wiring a Shelly1 with a physical button). You basically get what I described in the previous paragraph: physical control and app control.

The Shelly1 is more expensive, because the relay circuit is detached, so you can power it with one voltage (say 24V DC) and control another (say 220V AC). The Sonoff is inline, which simplifies things, but everything needs to run on the same voltage.

Source

I’d go with Shelly devices myself.
They can be configured and operated from their own webserver, or through the app and support MQTT out of the box so can easily be integrated to most home automation controllers.

I have Shelly, Tuya and Sonoff switches all integrated with home assistant but the Shelly’s are by far the easiest to configure.
Source

Video

Good comparison but I disagree with the final verdict as I think that as Shelly comes with MQTT without the need to flash makes it the better option.

Does Shelly 1 need a neutral?
Shelly 1L works with neutral line or without neutral line. Bypass is required for resistive loads below 20W without connected neutral.

Flashing Sonoff

Personal View

I started with SonOff but because I don’t like not having local control I flashed all of my devices.

Not having flashed devices before this was a bit of a learning curve but I made it.

Having said that I don’t like it, and so from that standpoint alone I would recommend Shelly.

However as I have flashed a lot of SonOff switches with tasmota I tend to use SonOff

Related Tutorials and resources

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