Ebyte ME31-AAAX4220 4DI / 2DI / 2DO RS485 ModBus Ethernet I/O Network Acquisition Control Module LM 350 Adjustable Voltage Regulator IC (Pack of 5) support for VLAN tagging for

support for VLAN tagging for network segmentation

and SCL to the microcontroller's SCL pin (Arduino A5 on Uno

The community provides numerous tutorials and the firmware is well-documented for beginners

Building Electrical Installation Verification: Perform comprehensive testing of branch circuits

Ebyte ME31-AAAX4220 4DI / 2DI / 2DO RS485 ModBus Ethernet I/O Network Acquisition Control Module LM 350 Adjustable Voltage Regulator IC (Pack of 5) support for VLAN tagging forEbyte ME31 AAAX4220 4DI 2DI 2DO RS485 ModBus Ethernet I O Network Acquisition Control Module ME31 AAAX4220 is equipped with 2 channel A type relay outputs and 2 channel analog inputs (0 20mA 4 20mA), and 4 channel dry contact input detection,supports Modbus TCP protocol or Modbus RTU protocol for acquisition and control and can be used as a simple Modbus gateway (automatically send commands with non local Modbus addresses through the serial port