Which sonoff should I get?

[Mike Snapper]

Hello,

sorry if this has been asked before.

Out of the sonoff wifi outlets out in the market today, which one would you recommend I should get? (outlet type is in the attached picture, an EU outlet, but I can live without the earth pin if really needed) (I will be buying from Aliexpress)

I would like one that will work reliably for years to come, without  any maintenance  needed, if at all possible. I want to get about 8 of them and my plan is to control them through Google assistant.

From my understanding, some of the models need actual wires soldered to them in order to program them and some of them have been designed with an actual support for DIY so you can flash Tasmota onto them without having to rip them apart.

Thank you for any advice

[Erix]

Hello Mike,

just about the type of plug, I think you need the " EU Type E  "

Hope it helps a bit

Regards

Erix

Le mer. 18 déc. 2019 à 13:36, Mike Snapper <mike.s...@gmail.com> a écrit :

Hello,

sorry if this has been asked before.

Out of the sonoff wifi outlets out in the market today, which one would you recommend I should get (outlet type is in the attached picture, but I can live without the earth pin if really needed)? (I will be buying from Aliexpress)

I would like one that will work reliably for years to come, without  any maintenance  needed, if at all possible. I want to get about 8 of them and my plan is to control them through Google assistant.

From my understanding, some of the models need actual wires soldered to them in order to program them and some of them have been designed with an actual support for DIY so you can flash Tasmota onto them without having to rip them apart.

Thank you for any advice

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[Mike Snapper]

Yes, I know, I posted it to make sure I don't get recommended for example sonoff models intended for america. What I am asking for is which of the sonoff products, with the EU compatible plugs, will be most reliable when flashed with Tasmota. Probably one of the DIY models, but which one?

Dne středa 18. prosince 2019 13:47:20 UTC+1 Erix napsal(a):

Hello Mike,

just about the type of plug, I think you need the " EU Type E  "

Hope it helps a bit

Regards

Erix

Le mer. 18 déc. 2019 à 13:36, Mike Snapper <mike....@gmail.com> a écrit :

Hello,

sorry if this has been asked before.

Out of the sonoff wifi outlets out in the market today, which one would you recommend I should get (outlet type is in the attached picture, but I can live without the earth pin if really needed)? (I will be buying from Aliexpress)

I would like one that will work reliably for years to come, without  any maintenance  needed, if at all possible. I want to get about 8 of them and my plan is to control them through Google assistant.

From my understanding, some of the models need actual wires soldered to them in order to program them and some of them have been designed with an actual support for DIY so you can flash Tasmota onto them without having to rip them apart.

Thank you for any advice

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[Phil]

The sonoff brand s20 plug in sockets are pretty well built but will require a physical connection to flash initially though its a easy teardown with screws to open the case and a dupont header can be held in place with finger pressure for the 60-90 seconds it can take to flash so soldering is optional although it does expose useful gpio too ;) .. And in my limited experience of using some for over 4 years now is that they are very reliable units..  

On the downside they are larger and the units are wider than the space allocated to a plug in a standard 4way UK extension strip for example. 

Some other brand units which are more difficult to open up neatly can be flashed ota with the use of a raspberry pi mobile phone and the Tuya-convert sw and procedure

the key factor needed is a tuya based esp module in the device, and the HUGE clue to look for in adverts is the use of the "smart life" phone app,  sometimes the brand name can be substituted in the app name I have some Koogeek (uk brand?) sockets which use iirc the geek-life app,,  But screen shots in web ads can reveal the details you need.   any identification with the tuya brand is also a big giveaway,  and the wiki has a list of many available and suitable modules.


amazon could be just as cheap if buying 8x  units there are often bundles of 4x units on sale for less than 10 euros each..  and if you select badly and buy sealed units you cant flash OTA the returns policy is a lot more customer friendly than ali express..  

[Phil]

From my understanding, some of the models need actual wires soldered to them in order to program them and some of them have been designed with an actual support for DIY so you can flash Tasmota onto them without having to rip them apart.

 

Just need to comment on this too.    No units are designed for OTA reprogramming  The clever bods behind Tuya convert have found a weakness in the off the shelf firmware update procedure used by some devices that can be exploited to enable an OTA tasmota reprogramming.  The manufacturer has already blocked one method and we are currently enjoying the benefits of V2 of the Tuya-convert procedure that has beaten the manufacturers first 'fix;  its likely a further fix etc is in the pipeline..

https://github.com/arendst/Tasmota/wiki/Tuya-OTA

[Philip Knowles]

It's worth looking at Shelly. They can work with MQTT without flashing and can be relatively easily be flashed. The size is small enough to fit in the wall box behind the socket. The switch input can be mains voltage too.

Regards

Phil K

Sent from Outlook Mobile

---

From: 'Phil' via TasmotaUsers <sonof...@googlegroups.com>
Sent: Wednesday, December 18, 2019 2:39:16 PM
To: TasmotaUsers <sonof...@googlegroups.com>
Subject: Re: Which sonoff should I get?

 

From my understanding, some of the models need actual wires soldered to them in order to program them and some of them have been designed with an actual support for DIY so you can flash Tasmota onto them without having to rip them apart.

 

Just need to comment on this too.    No units are designed for OTA reprogramming  The clever bods behind Tuya convert have found a weakness in the off the shelf firmware update procedure used by some devices that can be exploited to enable an OTA tasmota reprogramming.  The manufacturer has already blocked one method and we are currently enjoying the benefits of V2 of the Tuya-convert procedure that has beaten the manufacturers first 'fix;  its likely a further fix etc is in the pipeline..

https://github.com/arendst/Tasmota/wiki/Tuya-OTA

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[Fred]

...if you feel unhappy about soldering for performing the flash, there are now pre-flashed variants available on eBay.

Also there is one commercial product with EU plug and tasmota already: https://www.delock.de/produkt/11826/merkmale.html?setLanguage=en

Some people offer the flashing service for you or other folks are offering a 3d-printed adapter, which can be plugged into the (opened) socket/plug and make connection to the required pins for flashing.

The latter is worth a look if you have to flash a lot of these (commercially feasible for more than 5 pcs. I would say).

[Mike Snapper]

Oh, I don't mind soldering at all, I solder all the time. I simply assumed tasmota had some models on the market that were intended for DIY use and supported tasmota out of the box, but now I see the OTA support was just an "accident" and they actually don't want users to use other firmware that their own (which I don't understand why that is, since they still sell the plugs AND on top that don't have extra traffic on their iot servers). Alright, so as far as stability and ease of flashing goes, it looks like sonoff s26 would be the best choice, since it seems like people have it running without any issues and the serial contacts are easily accessible inside.
 
Dne pondělí 23. prosince 2019 8:53:54 UTC+1 Fred napsal(a):

[Mike Snapper]

I looked at it, but it costs much more than Tasmota, plus they don't make any regular plug in models, only direct-wire models.

Dne sobota 21. prosince 2019 7:51:03 UTC+1 Philip Knowles napsal(a):

It's worth looking at Shelly. They can work with MQTT without flashing and can be relatively easily be flashed. The size is small enough to fit in the wall box behind the socket. The switch input can be mains voltage too.

Regards

Phil K

Sent from Outlook Mobile

---

From: 'Phil' via TasmotaUsers <sonof...@googlegroups.com>
Sent: Wednesday, December 18, 2019 2:39:16 PM
To: TasmotaUsers <sonof...@googlegroups.com>
Subject: Re: Which sonoff should I get?

 

From my understanding, some of the models need actual wires soldered to them in order to program them and some of them have been designed with an actual support for DIY so you can flash Tasmota onto them without having to rip them apart.

 

Just need to comment on this too.    No units are designed for OTA reprogramming  The clever bods behind Tuya convert have found a weakness in the off the shelf firmware update procedure used by some devices that can be exploited to enable an OTA tasmota reprogramming.  The manufacturer has already blocked one method and we are currently enjoying the benefits of V2 of the Tuya-convert procedure that has beaten the manufacturers first 'fix;  its likely a further fix etc is in the pipeline..

https://github.com/arendst/Tasmota/wiki/Tuya-OTA

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[Bubi]

I understand that put a switch in the back of a wall plug is not an option. If you change your mind sonoff mini is cheaper than s2x and can be tasmotized without soldering and wiring (you need a jumper included in the switch box).

[Fred]

Well, if you are able ti physically tinker with the devices, then all you really need to be aware of is, that the device inside is based on an ESP8266 with at leasrt 1M flash ;-)

The S26 is OK, but quite large...also I'd look into modules that are able to analyse/log power consumption and/or inside temperature...with some rules or the use of external smart home systems you can get alerts, not only information.

I'd look into the gosund (SP111 is the smallest) and Blitzwolf  models as well, they are also very reliable and easy to flash when you are able to solder the wires.

The new gosund SP112 even comes with two USB ports (can be switched with tasmota too) .