FEIT dimmers: Difference between revisions

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My understanding is that many IoT home control products get rebranded that are made by Tuya.
https://faceitsalon.com/wiring-diagram-for-a-feit-wi-fi-smart-dimmer-switch-collection/
In any case however it comes to be, many products are Tuya inside, that is, they work through the cloud-based Tuya management app.


This means when for example when you are sitting on your couch and it's getting dark and you want to switch on your living room light via Home Assistant, the commands have to go up to Tuya's web site and then back down through your gateway to your living room. Since this offends my sense of efficiency and privacy, I want to install ESPhome on all my Tuya devices.
For me these are advantageous when installed in 3 way circuits and my house has a lot of those. You can put a dimmer at each end or a regular switch at the far end. Now that they are down to $10 and Decora 3-way switches are $4 and 4-way switches are $15 it's not really worth replacing a toggle with a dumb Decora in some places, like my dining room and stairs.  
I bought them with this in mind.


== TWYE2S cpu ==
When replacing a switched 3-way set up you can use one each, dumb switch and smart dimmer. You can also put a dimmer at each end, you put each switch on line power and use the traveler to let them talk to each other.


Both of these devices (Martin Jerry and Feit) use a Tuya TWYE2S cpu module.
You can extend this to 4-way circuits, here is a picture someone posted: https://imgur.com/GIZwCqs This actually causes less confusion in my brain than conventional multipole switches. Sad perhaps? I think I might be able to replace the 4-way with a 4-way and have one dimmer + 2 switches.
I fried one for an S-01 switch so I ordered a kit on Amazon with 5 ESP12F modules and a programmer/breakout board. The programmer should be handy. I could probably yank a module
off some other widget but geez, the modules are about $2 each.


The ESP12F has more signals brought out to the edges but they won't interfere with anything when replacing a TWYE2S. An ESP12S is a match and is a tiny bit smaller too, but I like having the
=== Tuya usage ===
extra pins.
Basic 'normal' set up
# Register a Tuya account and log in.
# Add the Tuya integration to HA.
# Install the Tuya "Smart Life" app and launch it. (There is also a "TuyaSmart" app, both are supported in HA, I don't know the difference.)
# Power up the new dimmer.
# Configure it with Smart Life.
# Now it will just pop up in HA and you can treat it like any other HA device.


Documentation for TYWE2S
=== Reflashing ===
https://developer.tuya.com/en/docs/iot/wifie2smodule?id=K9605u79tgxug
I have not succeeded in reflashing any of these yet. I pulled one apart to learn how to flash it and I think I fried the CPU.


=== How did you fry that S-01, Brian? ===
It can be done by removing the WiFi chip or by attaching wires and cutting a trace. I tried removal and failed.


I hooked up the ESP-PROG while the board was connected to mains. Tsk.  
Notes on removing the ESP from the dimmer are here: https://community.smartthings.com/t/costco-cheap-feit-smart-dimmer-wifi/208142 Also note you can replace the ESP board with an ESP-01 if you break one.
It burned out both the TWYE2S and the ESP-PROG. This after successfully reprogramming 3 others.
The _actual_ problem I was trying to troubleshoot was that I did a bad job soldering on the header I use for programming these. Tsk again.


The Shelly 1 has the same set up, they are not isolated from A/C.
Look for "Technowizard" for information on how to cut a trace on the board. https://community.home-assistant.io/t/costco-feit-tuya-based-wifi-dimmer-step-by-step-guide-newbie-friendly/284865/12


== Martin Jerry S-01 switches ==
https://community.home-assistant.io/t/costco-feit-smart-dimmer-tuya-convert-tasmota/151390/5


2021-11-18 I have one converted to ESPHome and installed (laundry room). Three more to go.
Currently they are deployed in


I soldered a header onto the back of each controller at the pads marked CN-1 and used Dupont wires to connect it to the programmer (which is just a 3V3 UART-USB really.)
* bathroom,
The Espressif Programmer was not pulling GPIO0 down so I had to unhook that wire and manually ground the input.  
* kitchen island,
* breakfast area aka "nook",
* living room,
* dining room.


== Feit Electrics dimmers ==
TWY2S pinout on the front, left to right


These are a good price but I'm disappointed that I will have to remove the CPU from the board to reflash them.
RST
A0
I3
D4
D5


https://community.smartthings.com/t/costco-cheap-feit-smart-dimmer-wifi/208142
on the back, left to right
 
https://community.home-assistant.io/t/costco-feit-smart-dimmer-tuya-convert-tasmota/151390/5


Deployed in bathroom, kitchen island, breakfast area, living room, dining room.
3V3
I just replace one in guest bathroom with a Maestro motion sensor switch, so now it's a spare.
GND
TX
RX
12
14


I am going to pull apart the spare to see if I can flash it.
There are some other marked pads (test points) not on the edge including


Tasmota - https://github.com/blakadder/templates/issues/402 says it's unstable.
I0
IO2
RST
GND


A set of components, https://github.com/nuttytree/ESPHome-Devices
including Feit dimmers https://github.com/nuttytree/ESPHome-Devices/tree/master/components/tuya_light_plus


== Power sense information ==
A set of components, https://github.com/nuttytree/ESPHome-Devices including Feit dimmers https://github.com/nuttytree/ESPHome-Devices/tree/master/components/tuya_light_plus


https://github.com/cbpowell/ESPSense/wiki


== Resources ==


Tuya developer site https://developer.tuya.com/en/
[[Category:IoT]]

Latest revision as of 23:12, 11 June 2024

https://faceitsalon.com/wiring-diagram-for-a-feit-wi-fi-smart-dimmer-switch-collection/

For me these are advantageous when installed in 3 way circuits and my house has a lot of those. You can put a dimmer at each end or a regular switch at the far end. Now that they are down to $10 and Decora 3-way switches are $4 and 4-way switches are $15 it's not really worth replacing a toggle with a dumb Decora in some places, like my dining room and stairs.

When replacing a switched 3-way set up you can use one each, dumb switch and smart dimmer. You can also put a dimmer at each end, you put each switch on line power and use the traveler to let them talk to each other.

You can extend this to 4-way circuits, here is a picture someone posted: https://imgur.com/GIZwCqs This actually causes less confusion in my brain than conventional multipole switches. Sad perhaps? I think I might be able to replace the 4-way with a 4-way and have one dimmer + 2 switches.

Tuya usage

Basic 'normal' set up

  1. Register a Tuya account and log in.
  2. Add the Tuya integration to HA.
  3. Install the Tuya "Smart Life" app and launch it. (There is also a "TuyaSmart" app, both are supported in HA, I don't know the difference.)
  4. Power up the new dimmer.
  5. Configure it with Smart Life.
  6. Now it will just pop up in HA and you can treat it like any other HA device.

Reflashing

I have not succeeded in reflashing any of these yet. I pulled one apart to learn how to flash it and I think I fried the CPU.

It can be done by removing the WiFi chip or by attaching wires and cutting a trace. I tried removal and failed.

Notes on removing the ESP from the dimmer are here: https://community.smartthings.com/t/costco-cheap-feit-smart-dimmer-wifi/208142 Also note you can replace the ESP board with an ESP-01 if you break one.

Look for "Technowizard" for information on how to cut a trace on the board. https://community.home-assistant.io/t/costco-feit-tuya-based-wifi-dimmer-step-by-step-guide-newbie-friendly/284865/12

https://community.home-assistant.io/t/costco-feit-smart-dimmer-tuya-convert-tasmota/151390/5

Currently they are deployed in

  • bathroom,
  • kitchen island,
  • breakfast area aka "nook",
  • living room,
  • dining room.

TWY2S pinout on the front, left to right 

RST
A0
I3
D4
D5

on the back, left to right 

3V3
GND
TX
RX
12
14

There are some other marked pads (test points) not on the edge including 

I0
IO2
RST
GND


A set of components, https://github.com/nuttytree/ESPHome-Devices including Feit dimmers https://github.com/nuttytree/ESPHome-Devices/tree/master/components/tuya_light_plus

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