I have used the 485SD9TB converter from BB Electronics with no problems.It does exactly what you are trying to do.Its not cheap,but you can check out the schematic and maybe reproduce the circuit.
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I have used the 485SD9TB converter from BB Electronics with no problems.It does exactly what you are trying to do.Its not cheap,but you can check out the schematic and maybe reproduce the circuit.
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Ive tried the RTS method. It takes quite a while to turn on using software. Im only talking a few ms but its still enough to cause problems.
I think a circuit based on that scematic would be best. I dont have any logic gates that i can make a NOT gate out of so i cant test it yet.
I will have a go at the control characters method. That one seems like it should definately work aslong as i can program it properly. At the moment it relies on counting the bytes that arrive. With the control characters 1 or more will be missing.
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