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Review on Serial Communication Converter Adapter Mini Size by Justin Hollins

Revainrating 2 out of 5

Not fully connected

I bought two of these kits to expand the communication capabilities of a project I was creating. The project communicated via 232 without any problems, but I have not yet received the first byte of data via these converters. I tried different values of termination resistors and also added external power supplies. I was also unable to contact the manufacturer for suggestions. I'm going to borrow test equipment from a friend and see if I can figure out what's going on. I really want this neat little converter to work. It comes nicely packaged with English instructions. They appear to be a good device, but the documentation that comes with them is incomplete on terminators, power supplies, and whether biasing resistors might be needed.

Pros
  • The RS 232-485 adapter supports baud rates up to 115.2 kbps; Automatic serial baud rate detection
Cons
  • Expensive