Smart Home Automation Forum
remember relay state - Printable Version

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+--- Thread: remember relay state (/showthread.php?tid=9837)

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remember relay state - greeryan - 09-18-2026

I just recieved my module and want it to remember the relay state during power loss, how do I do that?

Thanks!

RE: remember relay state - admin - 09-18-2026

do you use esphome yaml for KCS firmware?

RE: remember relay state - greeryan - 09-18-2026

I'm just running straight out of box and linked to tuya.

RE: remember relay state - admin - 09-19-2026

take a photo of your controller. maybe you have not downloaded KCS firmware. config by esphome?

RE: remember relay state - greeryan - 10-07-2026

I guess I should start out by asking what should i do first. Do I install the KCS firmware? I'm very new to this and am probably doing things wrong and out of order , so any direction would be appreciated. thanks!
I tried installing the yaml file via esphome device builder on windows 10.  it will compile but wont connect to tuya wifi or ethernet. i get the following log during install. I'm not very good at programming and don't know what to do to get it to talk so I can set it all up. Yuya works fine. Do I need to do a factory reset then install the esp32 file?

Thanks so much for your help

RE: remember relay state - admin - 10-07-2026

you can use this yaml.

.txt   E16T-HA-Tuya.txt (Size: 11.98 KB / Downloads: 64)

RE: remember relay state - greeryan - 10-08-2026

(10-07-2026, 08:40 AM)admin Wrote: you can use this yaml.

I installed the file and got the following log from the install.
.txt   e16t-logs (1).txt (Size: 12.62 KB / Downloads: 54) I'm using win 10 for the install. do I need to have a seperate RaspberryPi running home assistant or can it run by itself. I installed the file then the switches stop working when pushing the board buttons or contacts.tuya is working via the tuya app though.

Here are some pics of the build I am doing I'm replacing my old 1950's relay lighting system that was not taken care of for 50 years. I have 2 breakers for 2 areas of the house that have seperate lines. Am I missing anything? thanks again for all the help

old:
   



replacement:
   

RE: remember relay state - admin - 10-09-2026

i have tested with ESPHome yaml for E16T, it work well with tuya app.
   
   
   
   
yaml file: 
.txt   E16T-HA-Tuya.txt (Size: 11.98 KB / Downloads: 63)

RE: remember relay state - greeryan - 10-10-2026

I installed the yaml you listed and I have control from home assistance and from tuya. It will not respond to board buttons or contacts. It does not remember the relay state from power on and off.

RE: remember relay state - admin - 10-10-2026

you shold add "restore_mode" for esphome yaml.
here is details from ESPHome: https://esphome.io/components/switch/