can use these 3 ports of RS232 cable. let your switch terminal board connect to H32B by one RS232 cable, just as before.
then download newest firmware for KinCony tuya adapter, config it work by WiFi. so that you not need any cable with tuya adapter. H32B set work mode = TCP Server.
here is firmware for tuya adapter download link: https://www.kincony.com/forum/showthread.php?tid=2339
here is YouTube video tour: https://youtu.be/z67pRMLb4Rc
like this:
then download newest firmware for KinCony tuya adapter, config it work by WiFi. so that you not need any cable with tuya adapter. H32B set work mode = TCP Server.
here is firmware for tuya adapter download link: https://www.kincony.com/forum/showthread.php?tid=2339
here is YouTube video tour: https://youtu.be/z67pRMLb4Rc
like this: