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KC868-M16v2 configure yaml for ESPhome - Printable Version

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+--- Thread: KC868-M16v2 configure yaml for ESPhome (/showthread.php?tid=3088)

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RE: KC868-M16v2 configure yaml for ESPhome - admin - 02-25-2026

(02-18-2026, 07:43 PM)athxp Wrote: No, the card won't work below 50-60W. It gets dirty readings with disconnected sensors, even at 0.30A.
Can you send me an M20 card to replace the M16v2?

N20 have sent, tracking number: UK940531125YP

RE: KC868-M16v2 configure yaml for ESPhome - rover225 - 03-17-2026

Hi,

I have just received a M16v2 board and cannot get the ESPHome YAML to work successfully with Ethernet.

Can you please post the latest version with working Ethernet?.

Thank you.
rover.
(03-17-2026, 06:12 AM)rover225 Wrote: Hi,

I have just received a M16v2 board and cannot get the ESPHome YAML to work successfully with Ethernet.

Can you please post the latest version with working Ethernet?.

Thank you.
rover.

Update:
I got it working. I did a full firmware download with the USB cable directly connected to my Home Assistant Green box, with the latest config in this forum thread using ESPHome Builder in Home Assistant and now it's working as expected.

RE: KC868-M16v2 configure yaml for ESPhome - admin - 03-17-2026

this is new esphome yaml for M16v2.

.txt   M16v2_HA.txt (Size: 9.37 KB / Downloads: 9)

RE: KC868-M16v2 configure yaml for ESPhome - athxp - 03-17-2026

(02-25-2026, 02:18 AM)admin Wrote:
(02-18-2026, 07:43 PM)athxp Wrote: No, the card won't work below 50-60W. It gets dirty readings with disconnected sensors, even at 0.30A.
Can you send me an M20 card to replace the M16v2?

N20 have sent, tracking number: UK940531125YP

I received the N20 card, thank you.
It works very well. I'm using the CT sensors I got for the M16v2. However, I've already bought more "precise" ones.

RE: KC868-M16v2 configure yaml for ESPhome - admin - 03-17-2026

yes, N series board is more better than M16v2.

RE: KC868-M16v2 configure yaml for ESPhome - rover225 - 03-17-2026

I was having trouble getting the OTA updates working.
I have added the following:

Code:
ota:
  - platform: esphome

I can now make config changes in ESPHome and compile and update wirelessly. My board is connected via ethernet as per the config.
My complete Yaml is attached.

RE: KC868-M16v2 configure yaml for ESPhome - rover225 - 03-18-2026

I have been trying different software ideas to get less noise and more consistant results.
This is the best setup I have come up with. Each channel is sampled with a settlement time either side. All sensors refresh every 20 seconds, 1 by 1.

Hope this helps someone.

Thanks @admin for the M16v2!

RE: KC868-M16v2 configure yaml for ESPhome - admin - 03-18-2026

thanks share your code.