I'm racking my brain and for days I didn't understand where I was wrong. However, it seems to me that someone else made a mistake: is the numbering of the relays correct in this image?
I find it strange that near relay 1 there is the control LED for relay 8. And according to my tests, using ESPHome, relay 8 is where relay 01 is marked in the image. Just as relay 7 is in place of relay 2 .
Is there an error in the image?

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Hi, I’ve configured KC868-Server a few weeks ago in MQTT mode with Home Assistant. Suddenly I cannot access the admin console or power on the lights because of the ESP32 seems to be hung. Cannot access admin console or reset it manually by pressing the RESET ESP32 BUTTON.

Board revision is 1.5

This is a real problem as I don’t know how to proceed in this case. Your help will be much appreciated 

Thanks

Hello All,
I installed a KC868-COLB-MINI on a remote site, I want to integrate it with my system using the http requests, is there any document to do that, if not what are the requests for "TCP Server" working mode?

Are there any other drawings availiable beside schematics ? I looking for board dimensions, hole locations ...

Hi friend, sim7600E connected with board A4S but not working I can’t send sms or call IFTTT, 
Do I have to buy a unit tuya for it to work or is there no need for that?

Hi for all
please help me :
I have KC868-COLB new one , i connect Ethernet Cable for first time and all Software are working find , then all RUN , Ethernet and WIFI Leds gowing Off and not working at all 
I tried to reset the Network Mode but still not working , only power and WIFI reset Leds On .
I Appreciation for answering .

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Hi!
I need some help with light control and scripts

As i can see, in IFTTT rules i can use singe, double or hold state on digital input
so, how it is possible:
1. When A16S CONNECTED to HA send event to it (then when i have event in HA i can use it in any script) 
        may by by send some by TCP (custom protocol)?
2.  When A16S NOT CONNECTED to HA just switch on or off output

or may be it is wrong way and you have another solution solution?
i have only 4 physical switch in my flat now, so it is too expensive to buy keyboard module KC868-AK for that

also i have KC868-HA and 4Gang METAL FRAME MOMENTARY WALL SWITCH PANEL
may be it is possible to use this devices?

my goal is to make reliable light control system, with wired connection, without battery
but in same time it shoud be usefull and with scripting posibility
now i use Zigbee lamps and Zigbee switch - thay are is work fine, but i think wire connection is more reliable


PS: i have another idea of device for you - may be i can send it to you by whatsapp? in fact, we start to develop it and found your devices, so we stop our development. You have a lot of experiens and resourses, and your devices a realy greate - so, i think, you can do it better then we

Hi all!
i need some help
my situation is:
i have ventilation system consist of:

-external air motorized valve with state sensor (in fact physical button - when valve full opened button is presed)
-two temperature sensor for external air and for internal air
-electrical heater
-three fan: first for external air, second for kitchen, third for the living room

i need minimal:
1. Switch on fans and heater (IF NEEDED) ONLY when valve is full opened
2. Switch on heater when external temperature is lower than target AND internal temperature is lower than target (it is measured after heater)
3. Switch off heater when external OR internal temperature is bigger than target
4. Switch off ALL when valve sensor is off

I made some IFTTT rules for this case - it work fine

Now i want to control and change some parameters via Home Assistant:
-Change target temperature for external air
-Change target temperature for internal air
-Manually switch on and off second and third fan
-And in any situation switch off heater and fans when valve sensor is off - it is very important for safety

in this thread i found solution how to read sensors and control output via MQTT - it is work now: https://www.kincony.com/forum/showthread.php?tid=4100

so, i have two questions:
1. How i can change target values for temperature sensors?
2. Which priority is higer - MQTT command or IFTTT rules?
  2a. What will be happen if i switch off, for example, second fan, but in IFTTT rules i have condition to switch it on? and in one moment A8 lost connection to Home Assistant?ection onnection

Hi, it seems to me that the optocoupled input section of the KC868-A8 is totally useless, since the same GND is used on both side of the optocoupler (so, you could use a simple mosfet or transistor instead of providing a fake galvanic optoisolation).

Why did you choose to put these optos? 

   

In order to provide a better robustness respect to external disturbancs coming from the external world, you should put an isolated DC/DC converter to have a true different GND on the "user side" of the opto.


Otherwise (like in the below attachment) you should disconnect the board GND and the GND pin on the S{1,2...} input connector, and then let the user to provide an external 12V on the inputs, referred to the "user GND" pin.
If the user does not need for galvanic isolation, then he could simply short the external GND with the board GND and "fallback" to your current solution.
Moreover, you could provide a cheap jumper (that shorts the two GNDs and let the user to switch between ISOLATED MODE and (current) CLEAN CONTACT mode)
   

Bad design.

Ok I have my KV868-A6 & nRF24l01 boards how do I connect it to my wifi network and home assistant as I can't find anywhere how to connect every thing together I a completely new to once I get the thin connected I mite understand it better s