Industrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply Mornsun LM150-23B55 AC/DC 150W Enclosed Switching Power Supply as this increases electromagnetic interference

as this increases electromagnetic interference and may cause fan speed instability or monitoring errors

Insulation Resistance: 500

The LJ12A3-4-Z/BX operates on DC 5V to 36V

The servo draws approximately 100-150 milliamps during normal operation at idle position

While HC-05 is suitable for hobbyist projects

Industrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply Mornsun LM150-23B55 AC/DC 150W Enclosed Switching Power Supply as this increases electromagnetic interferenceIndustrial Modbus RTU 8 ch Relay Module (D) With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply Industrial Modbus RTU 8 ch Relay Module (D) With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply This is an industrial 8 ch relay module controlled via RS485 bus, with 8 ch digital input, utilizing Modbus RTU protocol. It features embedded protection circuits such as