KC868-HA let your old switch or traditional switch become support RS485 modbus protocol for KinCony’s relay controller, work with KC868-H32B Pro smart relay controller, use any “Latch” or “Momentary” switch panel work with your smart home automation.
PC software download: https://www.kincony.com/download/HA485_Ctrl_V1.0.4.0904.zip
How to use KC868-HA online guide: https://www.kincony.com/how-to-use-rs485-button-adapter.html
KC868-HA protocol for RS485 relay board: https://www.kincony.com/download/KC868-HA-protocol-for-RS485-relay-board_v106.pdf
KC868-HA ESP32 arduino demo code work with KC868-A8S: https://www.kincony.com/forum/showthread.php?tid=2437
YouTube video tour: https://youtu.be/ViwhDKB6xBk
