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Node-Red-flows for KC868-Hx relay control by USB-RS232 cable
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with proper formatting.
admin
01-07-2021, 01:24 AM
here is node running on Node-Red by Raspberry pi4 to control one relay ON/OFF by USB port. (use USB-RS232 convert cable) suit for all model of KC868 relay controller.
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> Node-Red-flows for KC868-Hx relay control by USB-RS232 cable