<![CDATA[Smart Home Automation Forum

<![CDATA[Smart Home Automation Forum - KC868-AI]]> https://www.kincony.com/forum/ Mon, 09 Nov 2026 16:09:33 +0000 MyBB <![CDATA[KC868-AI mDNS problem]]> https://www.kincony.com/forum/showthread.php?tid=9863 Sat, 10 Oct 2026 15:14:45 +0800 Konrad]]> https://www.kincony.com/forum/showthread.php?tid=9863 Let me start from the biegining.
I bought last year one KC868-AI and configured with HA on RPi5 and it works till now on firmware 2.2.18.
Last week I got two new boards for my new project I set one up on 2.2.21 firmware, also I got new RPI5 with HA flashed on it.
My problem is that I can't connect it to Home Assistant becase it can't see KC board by mDNS.
HA can see the board becase on ESP add on it has "Available" status.
KC works with static IP 192.168.1.230
I can't add manually Integration because I get this:

"Unable to connect to the ESPHome device. Make sure the device’s YAML configuration includes an `api` section."
Of course there's a line for API in the code.
I can ping KC board from Terminal in HA, I can log on to the board, but HA can't find it.
New RPi and KC boards are in same network. New set up of HA can find old board by mDNS, it is finding also all of my hardware by mDNS just not this board so it seems it's not the network.

Solutions I tried:
Downgrading to 2.2.18,
Changing name of the board in code,
Setting up new network on different TP-link router,
Setting up API without password in code,
Reseting compilation environment,
Uploading simple configuration with just few lines,
Changing port in yaml and tried to connect on different port,

Nothing worked. Need help, any solution?
I uploaded yaml in ZIP. Don't worry about encrypion keys, I'll change them later.

.png

Zrzut ekranu 2026-10-10 085324.png (Size: 29.42 KB / Downloads: 112)

.zip

868aidev1.zip (Size: 4.18 KB / Downloads: 70) ]]> Let me start from the biegining.
I bought last year one KC868-AI and configured with HA on RPi5 and it works till now on firmware 2.2.18.
Last week I got two new boards for my new project I set one up on 2.2.21 firmware, also I got new RPI5 with HA flashed on it.
My problem is that I can't connect it to Home Assistant becase it can't see KC board by mDNS.
HA can see the board becase on ESP add on it has "Available" status.
KC works with static IP 192.168.1.230
I can't add manually Integration because I get this:

"Unable to connect to the ESPHome device. Make sure the device’s YAML configuration includes an `api` section."
Of course there's a line for API in the code.
I can ping KC board from Terminal in HA, I can log on to the board, but HA can't find it.
New RPi and KC boards are in same network. New set up of HA can find old board by mDNS, it is finding also all of my hardware by mDNS just not this board so it seems it's not the network.

Solutions I tried:
Downgrading to 2.2.18,
Changing name of the board in code,
Setting up new network on different TP-link router,
Setting up API without password in code,
Reseting compilation environment,
Uploading simple configuration with just few lines,
Changing port in yaml and tried to connect on different port,

Nothing worked. Need help, any solution?
I uploaded yaml in ZIP. Don't worry about encrypion keys, I'll change them later.

.png

Zrzut ekranu 2026-10-10 085324.png (Size: 29.42 KB / Downloads: 112)

.zip

868aidev1.zip (Size: 4.18 KB / Downloads: 70) ]]> <![CDATA[Kc868ia]]> https://www.kincony.com/forum/showthread.php?tid=9803 Sat, 05 Sep 2026 21:45:25 +0800 Pingonet]]> https://www.kincony.com/forum/showthread.php?tid=9803
I keep getting errors on the board .

component:164]: Setup i2c took 762ms
[15:31:32][D][esp-idf:000]: E (889) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x24
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (912) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x25
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (945) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x21
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (978) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x22
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (1000) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x26
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (1034) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x23
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:37][C][component:164]: Setup ethernet took 4328ms
[15:31:37][W][component:290]: api set Warning flag: waiting for client connection
[15:31:37][I][app:117]: setup() finished successfully!
compo]]>
I keep getting errors on the board .

component:164]: Setup i2c took 762ms
[15:31:32][D][esp-idf:000]: E (889) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x24
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (912) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x25
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (945) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x21
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (978) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x22
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (1000) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x26
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:32][D][esp-idf:000]: E (1034) i2c.master: I2C hardware timeout detected
[15:31:32][W][component:290]: pcf8574 set Warning flag: unspecified
[15:31:32][E][pcf8574:010]: PCF8574 not available under 0x23
[15:31:32][E][component:204]: pcf8574 was marked as failed
[15:31:32][E][component:297]: pcf8574 set Error flag: unspecified
[15:31:37][C][component:164]: Setup ethernet took 4328ms
[15:31:37][W][component:290]: api set Warning flag: waiting for client connection
[15:31:37][I][app:117]: setup() finished successfully!
compo]]> <![CDATA[Input real isolation]]> https://www.kincony.com/forum/showthread.php?tid=9428 Thu, 04 Jun 2026 04:31:42 +0800 teji]]> https://www.kincony.com/forum/showthread.php?tid=9428 is there a way to really isolate optocoupers input ?
if same as (very good) 868-a16, the input are powered by same power supply as all the board.
then if someone put voltage (not contact) at input, it will burn all board.
is it possible to cut/separate/disconnect 12V and GND for optocoupers input ? (then use external power supply for this) ?
on a16, no jumper for this, but all 12V on opto in are on a single track. than you can Cut to isolate (and use own gnd)
is it also possible on 868-ai ? it depend of the routing (one track or different tracks, ...)
thanks for you help and you fantastics cards.]]> is there a way to really isolate optocoupers input ?
if same as (very good) 868-a16, the input are powered by same power supply as all the board.
then if someone put voltage (not contact) at input, it will burn all board.
is it possible to cut/separate/disconnect 12V and GND for optocoupers input ? (then use external power supply for this) ?
on a16, no jumper for this, but all 12V on opto in are on a single track. than you can Cut to isolate (and use own gnd)
is it also possible on 868-ai ? it depend of the routing (one track or different tracks, ...)
thanks for you help and you fantastics cards.]]> <![CDATA[clk_mode for ethernet]]> https://www.kincony.com/forum/showthread.php?tid=8830 Sat, 20 Dec 2025 14:44:21 +0800 cvonk]]> https://www.kincony.com/forum/showthread.php?tid=8830

Code:
WARNING [ethernet] The 'clk_mode' option is deprecated and will be removed in ESPHome 2026.1. Please update your configuration to use 'clk' instead.

WARNING GPIO5 is a strapping PIN and should only be used for I/O with care.

Attaching external pullup/down resistors to strapping pins can cause unexpected failures.

See https://esphome.io/guides/faq/#why-am-i-getting-a-warning-about-strapping-pins

Can you tell me if I should specify External clock or Internal clock. Details at
https://esphome.io/components/ethernet/

Also, can you share the schematic?

Thanks]]>

Code:
WARNING [ethernet] The 'clk_mode' option is deprecated and will be removed in ESPHome 2026.1. Please update your configuration to use 'clk' instead.

WARNING GPIO5 is a strapping PIN and should only be used for I/O with care.

Attaching external pullup/down resistors to strapping pins can cause unexpected failures.

See https://esphome.io/guides/faq/#why-am-i-getting-a-warning-about-strapping-pins

Can you tell me if I should specify External clock or Internal clock. Details at
https://esphome.io/components/ethernet/

Also, can you share the schematic?

Thanks]]> <![CDATA[RF 433 Module]]> https://www.kincony.com/forum/showthread.php?tid=8442 Tue, 12 Aug 2025 22:38:25 +0800 awitzke]]> https://www.kincony.com/forum/showthread.php?tid=8442
https://shop.kincony.com/products/rf-433...iQKBEdGYoh

Can I use a receiver and a sender module at the same time on this board? Kind of new to this, so sorry for the dumb question Smile

]]>
https://shop.kincony.com/products/rf-433...iQKBEdGYoh

Can I use a receiver and a sender module at the same time on this board? Kind of new to this, so sorry for the dumb question Smile

]]> <![CDATA[Unable to connect via LAN after updating firmware]]> https://www.kincony.com/forum/showthread.php?tid=8430 Sat, 09 Aug 2025 16:11:37 +0800 mstechwa]]> https://www.kincony.com/forum/showthread.php?tid=8430 Brand new KC886 AI . i have followed the instructions, however am unable to get the web interface after firmware update.

firmware update appears successful, and i can see the MAC addresses.
i am not getting a Wifi AP come up.

AP: 14335C090AED STA: 14335C090AEC
BT: 14335C090AEE ETHERNET: 14335C090AEF

i can ping 192.168.1.200, however get "Connection Refused" message..
i have tried with various Web browsers

i am directly connected with LAN cable, no router in between
have set static on my laptop to same IP Range

the SCAN DEVICE TOOL does not find the board when i scan.

can you please assist

Thanks

have
T
KC868-
.png

Screenshot 2025-08-09 161031.png (Size: 112.35 KB / Downloads: 715)
.png

Screenshot 2025-08-09 161031.png (Size: 112.35 KB / Downloads: 715) ]]> Brand new KC886 AI . i have followed the instructions, however am unable to get the web interface after firmware update.

firmware update appears successful, and i can see the MAC addresses.
i am not getting a Wifi AP come up.

AP: 14335C090AED STA: 14335C090AEC
BT: 14335C090AEE ETHERNET: 14335C090AEF

i can ping 192.168.1.200, however get "Connection Refused" message..
i have tried with various Web browsers

i am directly connected with LAN cable, no router in between
have set static on my laptop to same IP Range

the SCAN DEVICE TOOL does not find the board when i scan.

can you please assist

Thanks

have
T
KC868-
.png

Screenshot 2025-08-09 161031.png (Size: 112.35 KB / Downloads: 715)
.png

Screenshot 2025-08-09 161031.png (Size: 112.35 KB / Downloads: 715) ]]> <![CDATA[GPIO Connector]]> https://www.kincony.com/forum/showthread.php?tid=7201 Tue, 10 Dec 2024 16:52:15 +0800 williemcvillage]]> https://www.kincony.com/forum/showthread.php?tid=7201
Can you recommend a connector to soldier on the board? Maybe an aliexpress link?

I tried xh 2.54, but they are too big.

Thanks]]>
Can you recommend a connector to soldier on the board? Maybe an aliexpress link?

I tried xh 2.54, but they are too big.

Thanks]]> <![CDATA[KC868-AI - input as output HomeAssistant]]> https://www.kincony.com/forum/showthread.php?tid=6857 Thu, 10 Oct 2024 20:39:19 +0800 fbuffolo]]> https://www.kincony.com/forum/showthread.php?tid=6857
in order to upgrade my home allarm system, I want to buy a KC868-AI. I have a question: I read that the dry contacts inputs can work as output with a KCS firmware; but can I use the input ad output also in Home Assistant?

I need one input as output in order to turn on the siren when one input is in allarm mode.

Thanks in advance.
Fausto]]>
in order to upgrade my home allarm system, I want to buy a KC868-AI. I have a question: I read that the dry contacts inputs can work as output with a KCS firmware; but can I use the input ad output also in Home Assistant?

I need one input as output in order to turn on the siren when one input is in allarm mode.

Thanks in advance.
Fausto]]> <![CDATA[Digital inputs not reacting on +24VDC]]> https://www.kincony.com/forum/showthread.php?tid=6834 Fri, 04 Oct 2024 14:32:16 +0800 xxpeta]]> https://www.kincony.com/forum/showthread.php?tid=6834 my KC868-AI is not reacting (change from logical 0 to logical 1) on sending +24VDC to any of digital inputs.
Firmware version: 2.2.4
Thanks for your reaction.

.png

KC868-AI.png (Size: 399.55 KB / Downloads: 723) ]]> my KC868-AI is not reacting (change from logical 0 to logical 1) on sending +24VDC to any of digital inputs.
Firmware version: 2.2.4
Thanks for your reaction.

.png

KC868-AI.png (Size: 399.55 KB / Downloads: 723) ]]> <![CDATA[Double press/ Long press for the 868-AI]]> https://www.kincony.com/forum/showthread.php?tid=6108 Wed, 17 Jul 2024 04:26:41 +0800 QK-noliver]]> https://www.kincony.com/forum/showthread.php?tid=6108 <![CDATA[messed up deleted firmware]]> https://www.kincony.com/forum/showthread.php?tid=6036 Tue, 09 Jul 2024 05:18:47 +0800 QK-noliver]]> https://www.kincony.com/forum/showthread.php?tid=6036 <![CDATA[Maximum Cable Length?]]> https://www.kincony.com/forum/showthread.php?tid=5849 Wed, 05 Jun 2024 15:45:29 +0800 speedmeup]]> https://www.kincony.com/forum/showthread.php?tid=5849
What is the maximum cable length that can be used between the KCOM and each input terminals? Would 50 metres of AWG24 cable (0.215mm2 / 14/0.2mm stranded) be OK? How can we calculate the acceptable voltage drop? Thanks.]]>
What is the maximum cable length that can be used between the KCOM and each input terminals? Would 50 metres of AWG24 cable (0.215mm2 / 14/0.2mm stranded) be OK? How can we calculate the acceptable voltage drop? Thanks.]]> <![CDATA[Connect KCOM with 0VDC?]]> https://www.kincony.com/forum/showthread.php?tid=5792 Thu, 23 May 2024 17:30:14 +0800 speedmeup]]> https://www.kincony.com/forum/showthread.php?tid=5792
This way I will only need 3 cores for powered sensors:

0V/KCOM,
+12VDC,
Dry Contact Input

Thank you.]]>
This way I will only need 3 cores for powered sensors:

0V/KCOM,
+12VDC,
Dry Contact Input

Thank you.]]> <![CDATA[Digital Inputs with 2.2K ohm resistor]]> https://www.kincony.com/forum/showthread.php?tid=5658 Mon, 29 Apr 2024 00:32:11 +0800 bruces]]> https://www.kincony.com/forum/showthread.php?tid=5658 I am trying to replace an old security system and all of the inputs have two states, open circuit or 2200 ohm in the line.
I would just remove the 2200 ohm resistor but most of them are not accessible.]]> I am trying to replace an old security system and all of the inputs have two states, open circuit or 2200 ohm in the line.
I would just remove the 2200 ohm resistor but most of them are not accessible.]]> <![CDATA[Home Assistant setting]]> https://www.kincony.com/forum/showthread.php?tid=5037 Fri, 08 Mar 2024 07:47:24 +0800 Powerdata]]> https://www.kincony.com/forum/showthread.php?tid=5037
I brought KC868-AI - took me awhile to setting up to work with Home Assistant. Finally got it to working.

I wired it up all doors in my house to PCB boards.... all door sensors using reed switch.

Got it working as it updating status to Home Assistant BUT.... it shown WRONG information.....

when door are closed - it shown in Home Assistant "On / Open",
when door are open - it shown "Off / Closed"

thats not right.

How to make it invert to make correct status ?]]>
I brought KC868-AI - took me awhile to setting up to work with Home Assistant. Finally got it to working.

I wired it up all doors in my house to PCB boards.... all door sensors using reed switch.

Got it working as it updating status to Home Assistant BUT.... it shown WRONG information.....

when door are closed - it shown in Home Assistant "On / Open",
when door are open - it shown "Off / Closed"

thats not right.

How to make it invert to make correct status ?]]>