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m16v2 energy meter - calibration issues

Posted by: PapaC - 04-17-2026, 06:04 PM - Forum: KC868-M16 / M1 / MB / M30 - Replies (13)

Hi, hopefully someone can help where I'm having issues calibrating the m16v2 energy meter in the UK which is on 240v with 1 phase.

Currently I am only focusing on CT_15 which is the Grid, I have a Shelly EM using a 120a1v CT clamp which is on the same line as CT_15.

When attempting to calibrate with 2 resistive loads (not at the same time) it just simply falls out of line when then seeing real world usage after, for example I had turned on a 3000w kettle, the Shelly shown the correct load so I then calibrated the figures as recommended in Kincony code, then I tried a 1500w electric heater but instead of the load being somewhat close to the expected reading, it was instead 1900w.

Additionally, when on normal realworld load where the house has typical appliances on which would bring it to about 300w on the Shelly, the m16 instead reports that its 600w.

I can confirm that I have connected the m16 to the consumer unit as recommended so then it shows what the voltage is, which I can confirm is accurate when compared against the Shelly which reports basically the exact same voltage.

All clamps are 1v, and are shown in order of what they're used for along with the amp:

1 - Shower - 50a
2 - Cooker - 50a
3 - Kithcen Ring - 30a
4 - Dish Washer - 30a
5 - Washing Machine - 20a
6 - Tumble Dryer - 30a
7 - Reserved
8 - Reserved
9 - Fridge - 20a
10 - Reserved
11 - Reserved
12 - Reserved
13 - Reserved
14 - General Ring - 30a
15 - Grid - 100a
16 - Reserved

I've attached code currently being used.

Code:
esphome:

  name: m16v2

esp32:

  board: esp32dev

  framework:

    type: arduino

ota:

  - platform: esphome

external_components:

  - source:

      type: git

      url: https://github.com/hzkincony/esphome-zmpt101b

      ref: v2.1.0

# Enable logging

logger:

# Enable Home Assistant API

api:

  encryption:

    key: "D69bY/GXlmjYkovak6WIhgmbOH8vwyqvMxIHBriYoaY="

# Wifi Configuration

wifi:

  ssid: !secret wifi_ssid

  password: !secret wifi_password

  fast_connect: true

i2c:

  sda: 4

  scl: 5

  scan: true

  id: bus_a

cd74hc4067:

  - id: cd74hc4067_1

    pin_s0: 32

    pin_s1: 33

    pin_s2: 13

    pin_s3: 16

web_server:

  port: 80

font:

  - file: "gfonts://Roboto"

    id: roboto

    size: 16

sensor:

  - platform: adc

    pin: 34

    id: adc34

    update_interval: never

    attenuation: 12db

  - platform: adc

    pin: 36

    id: adc36

    update_interval: never

    attenuation: 12db

  - platform: adc

    pin: 39

    id: adc39

    update_interval: never

    attenuation: 12db

  - platform: zmpt101b

    name: "L1 Voltage"

    # name: "m16--AI zmpt 34"

    sensor: adc34

    id: voltage_1

    sensitivity: 538

  - platform: adc

    pin: 35

    id: adc35

    update_interval: never

    attenuation: 12db

  - platform: cd74hc4067

    id: ai1

    number: 0

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai2

    number: 1

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai3

    number: 2

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai4

    number: 3

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai5

    number: 4

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai6

    number: 5

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai9

    number: 8

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai14

    number: 13

    sensor: adc35

    update_interval: 5s

  - platform: cd74hc4067

    id: ai15

    number: 14

    sensor: adc35

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai1

    id: CT_1_Current

    name: "CT 1 Current"

    update_interval: 5s

    filters:

      # 50a 1v CT clamp on a known 8.5kw shower

      - calibrate_linear:

          - 0 -> 0

          - 1 -> 50

      - lambda: if(x < 0.2) return 0; else return x;

  - platform: template

    id: CT_1_Power

    name: "CT 1 Power"

    lambda: return id(CT_1_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai2

    id: CT_2_Current

    name: "CT 2 Current"

    update_interval: 5s

    filters:

      # 50a 1v CT clamp on a cooker

      - calibrate_linear:

          - 0 -> 0

          - 1 -> 50

      - lambda: if(x < 0.25) return 0; else return x;

  - platform: template

    id: CT_2_Power

    name: "CT 2 Power"

    lambda: return id(CT_2_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai3

    id: CT_3_Current

    name: "CT 3 Current"

    update_interval: 5s

    filters:

      - calibrate_linear:

          - 0 -> 0

          - 8.24 -> 11.68

      - lambda: if(x < 0.05) return 0; else return x;

  - platform: template

    id: CT_3_Power

    name: "CT 3 Power"

    lambda: return id(CT_3_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai4

    id: CT_4_Current

    name: "CT 4 Current"

    update_interval: 5s

    filters:

      # 30a 1v CT clamp - Dish Washer

      - calibrate_linear:

          - 0 -> 0

          - 1 -> 30

      - lambda: if(x < 0.1) return 0; else return x;

  - platform: template

    id: CT_4_Power

    name: "CT 4 Power"

    lambda: return id(CT_4_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai5

    id: CT_5_Current

    name: "CT 5 Current"

    update_interval: 5s

    filters:

      # 20a 1v CT clamp - washing machine

      - calibrate_linear:

          - 0 -> 0

          - 1 -> 20

      - lambda: if(x < 0.1) return 0; else return x;

  - platform: template

    id: CT_5_Power

    name: "CT 5 Power"

    lambda: return id(CT_5_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai6

    id: CT_6_Current

    name: "CT 6 Current"

    update_interval: 5s

    filters:

      # 30a 1v CT clamp - tumble dryer

      - calibrate_linear:

          - 0 -> 0

          - 1 -> 30

      - lambda: if(x < 0.1) return 0; else return x;

  - platform: template

    id: CT_6_Power

    name: "CT 6 Power"

    lambda: return id(CT_6_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai9

    id: CT_9_Current

    name: "CT 9 Current"

    update_interval: 5s

    filters:

      # 20a 1v CT clamp - Fridge

      - calibrate_linear:

          - 0 -> 0

          - 1 -> 20

      - lambda: if(x < 0.05) return 0; else return x;

  - platform: template

    id: CT_9_Power

    name: "CT 9 Power"

    lambda: return id(CT_9_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai14

    id: CT_14_Current

    name: "CT 14 Current"

    update_interval: 5s

    filters:

      # 30a 1v CT clamp - General ring

      - calibrate_linear:

          - 0 -> 0

          - 1 -> 30

      - lambda: if(x < 0.05) return 0; else return x;

  - platform: template

    id: CT_14_Power

    name: "CT 14 Power"

    lambda: return id(CT_14_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: ct_clamp

    sensor: ai15

    id: CT_15_Current

    name: "CT 15 Current"

    update_interval: 5s

    filters:

      - calibrate_linear:

          method: exact

          datapoints:

            - 0.0 -> 0.0

            - 0.016 -> 1.62

            - 4.85 -> 5.88

            - 8.26 -> 13.58

  - platform: template

    id: CT_15_Power

    name: "CT 15 Power"

    lambda: return id(CT_15_Current).state * id(voltage_1).state;

    device_class: power

    unit_of_measurement: "W"

    update_interval: 5s

  - platform: total_daily_energy

    name: "CT 15 Total Daily Energy"

    power_id: CT_15_Power

    unit_of_measurement: kWh

    accuracy_decimals: 3

    device_class: energy

    state_class: total_increasing

    filters: 

      - multiply: 0.001

time:

  - platform: sntp

    id: my_time

B4 Smart Controller Wiring Examples

Posted by: admin - 04-17-2026, 12:05 PM - Forum: B4 - Replies (5)

	B4 Smart Controller Wiring Examples

Complete Home Assistant configuration.yaml with yaml anchor for mqtt integration A16

Posted by: korl - 04-16-2026, 09:14 PM - Forum: KC868-A16 - Replies (3)

Hello everyone,

I see many people asking for configuration.yaml for A16, A6..etc.

Every person is spending time, building their own yaml-file.

Could you just provide a complete template for each board (A16, A6), that combines all switches, binary_sensors, ADCs, DACs, Temperature sensors... in one text block, combines as one device (with yaml anchor) ready to copy into Home Assistant configuration.yaml?

I think it would make the boards more attractive, if there is an easier start for integration.

Does anyone want to share their configuration.yaml?

Best wishes

E8v3 PCB layout CAD file

Posted by: admin - 04-15-2026, 09:35 PM - Forum: Schematic & diagram & Dimensions of KinCony PCB layout CAD file - Replies (2)

	E8v3 PCB layout CAD file KINCONY-E8V3-V1.1.zip (Size: 12.98 MB / Downloads: 379)

KC868-A16 rev1.6 firmware

Posted by: maurus44 - 04-15-2026, 06:42 PM - Forum: "KCS" v2 firmware system - Replies (5)

Hello,
I am using a KC868-A16 board (REV: 1.6) and I would like to confirm which firmware is correct for this device.
I have been flashing firmware using the ESP32 Flash Download Tool (v3.9.2). So far, I have tested the following firmware versions:

KCS_A16V3_V3.24.3 → I was not able to access the controller after flashing
KCS_KC868_A16_V2.2.4 → I could access the controller, but the input table was incomplete / partially missing

At the moment, I am using:

KC868_A16_V1.0.10 → this version works, and I can access the controller

My question is:
Am I using the correct firmware for KC868-A16 REV: 1.6, or is there a newer recommended version that is fully compatible?
Thank you in advance for your help!

Http protocol

Posted by: Saif Kitany - 04-15-2026, 06:03 AM - Forum: News - Replies (18)

	If i want to control relay controller by another relay controller with http protocol (for example: controlling B16 by A32 pro ), what i should write in the URL, what i should enable? I would like if you give full explanation.

4 - 20 mA adc not giving correct values

Posted by: upstream - 04-14-2026, 10:06 PM - Forum: KC868-AIO - Replies (3)

I am testing the KC868-AIO 4-20 mA analog input with a Fluke 705 Loop Calibrator, but I am not getting correct values.

Source voltage: 24 VDC
Channel AI-16 (see red wire). Black wire is disconnected.

Power source for signal is the same as the source for the AIO board.

Monitor Configuration:

Custom value1: 32
Custom value2: 180

Signal generated: 4.000 mA
value provided: ~52 (it should be 32)

Signal generated: 8.000 mA
value provided: ~79 (it should be 69)

Signal generated: 12.000 mA
value provided: ~104 (it is close to what it should be at 106)

Signal generated: 16.000 mA
value provided: ~131 (it should be 143)

Signal generated: 20.000 mA
value provided: ~167 (it should be 180)

Pictures:
705 Connection Example
Connections Pic
adc settings
adc output

Any idea what is going on?

N60 Sensor channel label

Posted by: marekd1 - 04-14-2026, 02:44 PM - Forum: N60 - Replies (18)

	Hello, Is there a way to assign custom label to each channel defining monitoring node function on local N60. As far as I know I think you can do this on Kincony Cloud page but I am looking to do this at local N60 node level. Example Chanel 1 Server, Channel 2 Sump, etc... If not could this be added in the update firmware release? thank you!

B4 Smart Controller ESP32 system block diagram

Posted by: admin - 04-14-2026, 12:52 AM - Forum: B4 - No Replies

"KCS" v3.24.3 firmware BIN file download

Posted by: admin - 04-13-2026, 03:02 AM - Forum: "KCS" v3 firmware - No Replies

v3.24.3 improvement:
1: add debounce capability to digital input ports.
2: support wiegand protocol for access control panel.
3: add RS485 bridge protocol, support TR RS485 device digital input and sensor feedback for MASTER controller's mqtt message.
4: fixed bug when IF conditon have multi DI.

Attached Files
.zip