RS485 communication Circuit

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nayakajit87

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Dear all,

I am looking for working RS485 communication circuit that can be interface with PIC16F886/PIC16F1938
Currently I have code working till modbus tester send request from PC to PIC using USB to TTL logic.

I am looking for working circuit for 5v where TX and Rx line just tapped with DE enable to make it work.
 

Hi,

What exactly is the problem?
There are ready to buy one IC solutions.
Maybe just a power supply capacitor and maybe a termination resistor is needed.
Every of this IC comes with a datasheet.... with all description and schematics you need.

There are many ICs from many manufacturers. Don´t ask which one is the best because it depends on your requirements and your personal taste.

Klaus
 

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