The water level sensor is malfunctioning and has three terminals: two for 12 volts (one positive and one negative) and one for data. The new locally available sensor, however, has only two terminals: one for 12 volts positive and one for the data point. I will attach pictures for reference. My question is: should I connect the positive terminal to the 12-volt power source and the data terminal to the data point on the board? Is this the correct approach?

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Does anybody know wich firmware I must use for the KC868-A16v3 Board?
I loaded   KCS_KC868_A16_V2.2.12.zip  with USB and now the board does not work anymore.
Was it the wrong firmware?

KinCony B16 ESP32 smart controller based on ESP32-S3-WROOM-1U (N16R8) wifi chip. Support 16 channel relay output, 7 channel 1-wire GPIOs, 4 channel ADS1115 16bit analog input ports. One SD card using SPI bus. B16 include DS3231 high precision RTC clock chip. LCD display will show wifi and ethernet IP address and Tuya connection state. B16 have I2C bus extender and RS485 port. You can write any code by Arduino IDE / MicroPython / ESP-IDF development tool to ESP32 module. We will supply Arduino / ESP-IDF demo code for different samples. Everyone can modify and change the code for your own smart home automation system project. it support use by ESPHome for home assistant or tasmota firmware for smart home automation DIY. B16 use KCS v3 firmware, it support home assistant auto discovery function by MQTT, so without write any config code (zero code) for home assistant. KCS v3 support KinCony cloud service (official shop customer free 2 years), remote monitor and control device by webpage in anywhere. KCS v3 support KinCony board integrate to Loxone Miniserver. Support Apple HomeKit for Siri.

Model No. KinCony B16
Description: KinCony 16 Channel ESP32-S3 Smart Relay Controller – B16
Power supply: 12V DC
Processor: ESP32-S3-WROOM-1U (N16R8)
Size: 160mm*83mm*59mm
interfaces: Ethernet(RJ45)-LAN 100Mbps IPv4/IPv6,WiFi,RS485,Bluetooth,USB-C,LCD,I2C,Tuya Module
RTC: DS3231 high precision chip (battery socket on PCB)
SD Card: SPI bus
Installation method: DIN RAIL
LCD: SSD1306 I2C display

Outputs:
16CH relay Outputs, every relay use by MAX AC250V/7A
Inputs:
ADS1115 16bit ADC: 2CH analog input DC0-5V (A1,A2) 2CH analog input 4-20mA (A3,A4)
16CH dry contact inputs (optocoupler isolation, long distance circuit for MAX 500 meters cable)
3 buttons: 1:ESP32 Reset 2:ESP32 Download 3:Tuya config
1-Wire GPIO: 7CH (with pull-up resistance on PCB)

Hey everyone!! 
I just configure my brand new KC868-A16 REV 1.6 on EspHome with this code:

hello I use app smart home but to day I can't login... I try and I see msg login failed...any link to download the app again? or other solution?

Hi,

i am programming myself the KC868-AG, i bought 2 units. 1 of them died after 1-2hrs, the other unit is working fine. The first one is giving USB device not recognized. Same cable is working fine for the other device.

Q1: what chip do I choose for this device.
Q2: what is the memory limit of this device, does it have enough space for OTA updates and save many RF signals?

Thank you.

I have an issue with my A32 pro :

- when I configure the Esphome yaml file and start controlling the A32 pro by homeassistant, i loose kcs firmeware ( ican’t login kcs web page).

And when i reinstall kcs firmeware, then i loose the control by homeassistant!!

Why is it happening?

Hi please does kc 868-A32 allow for modbus slave configuration . If no i have ordered 7 of them and can a request to redesign the hardware to allow for modbus slave.Thank you

The LCD screen displays the mobile signal strength in the top-left corner.
The LCD screen displays the time in the top-right corner.

Keyboard functions:

* Delete key
# Call key
When a call is received, the LCD screen displays "RING".

MQTT:

Making a Call

{
  "run_call": {
    "phone": "+8612345678901"
  }
}

Successful Response:

{
  "run_call": {
    "value": "success"
  }
}

Failed Response:
Possible reasons: GPRS is not initialized, or the phone number is not set.

{
  "run_call": {
    "value": "error"
  }
}

--------------------------------

Sending an SMS

{
  "run_sms": {
    "content": "sms content example",
    "phone": "+8612345678901"
  }
}

Successful Response:

{
  "run_sms": {
    "value": "success"
  }
}

Failed Response:
Possible reasons: GPRS is not initialized, the phone number is not set, or the SMS content is not set.

{
  "run_sms": {
    "value": "error"
  }
}

--------------------------------
MQTT STATE Reporting Received SMS and Incoming Calls

Incoming Call

{
  "call_ring": {
    "phone": "+8612345678901"
  }
}

Received SMS

{
  "sms_recv": {
    "phone": "+8612345678901",
    "content": "example"
  }
}