communicate between multiple boards

[a.demenev@limeup.ru]

sure, if you want work without home assistant. you can download KCS firmware to board. make IFTTT command, IF board-A INPUT trigger board-B OUTPUT.
here is online guide of KCS v2 firmware : https://www.kincony.com/esp32-kcsv2-firmware.html

Hi! i have same situation, and my IFTTT rule doesn not work - i can't understand why, please, help me!
So, i have 2 boards: A8S and A16S, both with KCS2.2

on A8S relay connected to input 15 on A16S
Light state is on input2 of a16s
Vintilation is on output1 on a16s

i need: 
1) switch on vent when in2 OR in15 is on
2) switch off vent when in2 AND in15 is off

so i have 2 IFTTT rules: 
1. Logical and=false; IF(DI2=true, DI15=true); THEN (DO (on-1)) 
1. Logical and=true; IF(DI2=false, DI15=false); THEN (DO (off-1)) 

First rule works fine, but second  - never works.
Both rules enabled.
when i click "run" - it works.

Please help me to make this working

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sure, if you want work without home assistant. you can download KCS firmware to board. make IFTTT command, IF board-A INPUT trigger board-B OUTPUT.
here is online guide of KCS v2 firmware : https://www.kincony.com/esp32-kcsv2-firmware.html

Hi! i have same situation, and my IFTTT rule doesn not work - i can't understand why, please, help me!
So, i have 2 boards: A8S and A16S, both with KCS2.2

on A8S relay connected to input 15 on A16S
Light state is on input2 of a16s
Vintilation is on output1 on a16s

i need: 
1) switch on vent when in2 OR in15 is on
2) switch off vent when in2 AND in15 is off

so i have 2 IFTTT rules: 
1. Logical and=false; IF(DI2=true, DI15=true); THEN (DO (on-1)) 
1. Logical and=true; IF(DI2=false, DI15=false); THEN (DO (off-1)) 

First rule works fine, but second  - never works.
Both rules enabled.
when i click "run" - it works.

Please help me to make this working

Here is video how it works: https://youtu.be/ob0VQNtprIM