RemoteIO and Modbus serial-TCP gateway: read serial Modbus devices over TCP

This small device does two job in one package, first it is a remoteIO module to read analogue inputs and control digital outputs. But I can also use to read Modbus RTU devices connected to the serial port and access them over the TCP connection.

Seller's page: https://www.cdebyte.com/products/ME31-XAAX0440 Listing on Alibaba: https://www.alibaba.com/product-detail/Ebyte-OEM-ODM-ME31-XAAX0440-4_1600441149475.html

Chapters: 0:00 Intro 3:27 Product listing 6:31 Initial setup 8:59 Controlling local inputs/outputs 11:26 Accessing remote devices over serial 15:27 Special functions 20:20 Outro ... https://www.youtube.com/watch?v=PEm6Y9pU62s