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KC868-HAv2 RS485 IO Module For Home Automation & Smart IOT Project
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- Опубликовано: 1 ноя 2023
- The smallest RS485 IO Module - KC868-HAv2 module. size 3cm*3cm. let your switch panel and dry contact sensor convert to RS485. KC868-HA RS485 INPUT & OUTPUT plugin for ESPHome, easy integrate to home assistant. You can add everyone KC868-HA board with 6 digital input ports and 6 digital output ports to home assistant by RS485.
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i think this is best concept because reduced some switch wires to controller and easy to connect switch and digital sensors
yes, use any dry contact sensor for long distance.
@@KinCony using CAT6 cable because that
cable has very low resistant , am i right
CAT6 is better than CAT5 cable, but CAT5 is enough for KC868-HA board.@@er_samadhan_babar_ziddi3561
@@KinCony i am Embedded engineer
Thank you very much for the video and congratulations for your innovative products... greetings
thanks.
Small and powerful. Congratulations!❤️
thanks
@@KinCony Please make a board small like this, but with 2 relays onboard, so it can directly turn a light on or command a roller shutter.
by wifi? by ethernet? or by RS485?@@Floppy379
@@KinCony both ethernet and RS485
if include ethernet, the board will not very small.@@Floppy379
Good job👍
Thank you
please show many switches on the RS485 bus
ok, maybe in furture can do that video.
Hello Sir, I am watching all the way from cameroon. I would like to learn a full course on home automation but i don't know how because we are far apart and financial constraints 😭
Prepare a board, constantly test and toss
How many KC868-HAv2 can be on a single bus
MAX 32pcs
Good
Very nice, but it would be better if it had a cover because we use 7*7 cm metal boxes
💯
You can use a heat shrink tube to wrap it and then use a hair dryer
Great video, sir, this LAN cable and electric wires passing through the same house wiring pipe, can interference or randomly false data come? or not a problem ? If it's not a problem, could you please explain why there is no interference between electric wires and data wires.
There will be no problem, RS485 bus is already a mature solution, and it is also applied in the industrial field.
Ok sir, thank you@@KinCony
@@KinCony Will this work with other solutions of yours equipped with RS485 bus?
sure, all our relay board support KC868-HA board.@@Floppy379
How to provide 12v power? via Ethernet?
by ethernet cable also is ok.
Is that KC868-HAv2 using standard ModBus protocol over RS485?
private protocol, do you like standard modbus protocol?
@@KinCony i have few ModBus devices already and server also have ModBus RS486 interface. Now searching 2/4/8 channel IO devices what are small form to fit in eu boxes
maybe in furture we can make a special firmware support standard modbus protocol.@@Shellyfi
This is great! RS485 is very robust & reliable. Do you have a basic ESP32 RS485 receiver board that just passes entity states to HA, like the one you're using in the video but without the relay outputs and switches. This can be used to control existing wireless devices connected to HA. Thanks
we not used ESP32 made the RS485 small board, because the ESP32 size is bigger, we made the small pcb with 4 PCB layer, just want size smallest. if you think size big is ok, we have many ESP32 board with RS485 interface, such as KC868-AM: www.kincony.com/esp32-io-expansion-board.html
@@KinCony I'm referring to the receiver board that the RS485 tiny boards terminate to. So I can use multiple tiny boards in the house with one receiver picking up all the entities and passing on to HA
you want a very small pcb (ESP32+RS485 interface)? without ethernet, right?@@thierry3610
@@KinCony Basically your A8S v2 esp32 board without the I/O, so it's just an interface between the tiny RS485 board and HA
why not use KC868-AM, it's ESP32+RS485 small PCB. @@thierry3610
Can you recomend any respository for configuring and controlling esp8266 via mqtt means code
you can use ESPHome to config it.
@@KinCony thanks a lot Mr.KinCony
If you don't mind please share your other social media profile link...
Great video sir, can you make next video about "when the binary sensor on switch will be on and if binary sensor off the switch output will off.....restore the state after the power failure"
I hope you sir, you will make this video for me.....
ok, when i have free time, can make that video.
by esphome? or by home assistant?
@@KinCony by esphome
which problem with you? a: when power on, DI always ON, but relay can't ON? b:if relay is ON, now power failure, then power on again, relay can't auto ON?
@@KinCony. absolutely sir, option B. "if the switch is on when power failure happens and then power on device in this case switch will be already on but relay can't auto on........ Thanks for understanding my question
Hey sir