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max485 connection question

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m2babaey

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Hi
Please visit my circuit for RS485 serial connection

485.JPG

I've used 2 max485, one for receiving and the other for transmitting data
I know we can implement it using 1 max485, we I am going to concentrate on using 2 in this topic
In my program, I disable receive when I start transmit to avoid receiving the data I'm sending myself
Please hint about the circuit, if you think it won't work to max485 will get damaged this way
Thanks
 

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