Because there are many Android phone models, some may have compatibility problems. When you delete old KBOX app, installed a new version from Google Play Store , open app crashed. You can download and install this KBOX-debug version. 

  KBOX-RELEASE-202202261520-log.zip (Size: 22.42 MB / Downloads: 239)
download this ZIP file , after unzip, install the "KBOX_20220112_log.apk".

when you open the app , crashed, it will save the debug data on your phone via log file. You will find the log file at here:
path: myphone/Android/data/com.kincony.KControl/files/log

You can send to us this file by Email to hificat@163.com or post to our forum.
post content with follow information:
your phone brand, model, android OS verison. Then our software engineer will test it and make adaption work for you. if we solved, we will send you a new application APK file.

what is the input voltage of the colb ports?

Where can I get the latest firmware for the h32b?

Hello all.

System:
KC868-A4 board with Nextion NX8048P050-011C-Y display.

Problem:
UART communication with this particular display. Other 2.4 inch Nextion works well.
Possibly issue with TTL level.

Electrical connection info:
RS323 chip (SP3232EEN) removed from the KC868-A4 board.
The RX and TX of Nextion are connected directly to GPIO_16 and GPIO_17 of ESP32.
We have tried to use other GPIO's of ESP32. Nothing works.

The solution which works:
Replacing ESP32-S with original ESP32-WROOVER.

Question:
1) Can anyone suggest a simplier solution?
2) Is there any way to force Nextion to operate on 3.3v TTL level?
3) Can we connect Nextion to RS232 connector directly without removing SP3232EEN?

Hey,

i'm searching for a solution to control warm white/cold white 24V stripes from KC868-A... (esp32). can you recommend something?


in the past i use H801 to control 24V stripes. But i want to control it over your kc868 board to have a direct connection from switch to lamp

1. IPCamera SDK update
2. Adaptation iOS15.3

you can update by Apple Store, search "KinCony Smart Home"

improvement:

1. fixed bug when use by "KinCony-SCAN_Device" tool on PC, the MQTT server ip and port parameter will auto change to PC's IP address and port:4000 by error.

KC868-COLB V1.10 firmware download:

  AD_COLB_V1_1_10_220209.zip (Size: 41.58 KB / Downloads: 246)
download the ZIP file , unzip update the bin file for KC868-COLB logical controller.

Hi there,
Just installed Node-Red and Mosquitto on Windows 11 PC, on the same setwork as my KC868-32BS, 

Everything is green on the Node-red editor, but when I use the Alexa app to turn on or off the relay it doesn't work, I used only the Ethernet to configure MQTT. 

Thanks much

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Hello everyone
I would like to understand the correct configuration to control your devices
I want to write my own home automation program, I will use lazarus (freepascal)
I bought the following modules:

•  KC868-H16B
  
• KC868-H32B
  
• KC868-COLB
  
• KC868-D8
  
• Push button switch module
  

• Pushbutton switch module with KC868-COLB through RS232
  
• KC868-COLB with KC868-H32B through RS232
  
• KC868-COLB, KC868-D8 and KC868-H16B through the LAN network to PC
  

can i use KC868-H32BS  relay controller board TO  control RGB LED strip without dimmer relay ? 

how i can do it ?