dhanraj_kmr
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Hi to all,
Here we have somany questions and answer regarding RS485. again one more question ant re485. I need to make 1 master and 45 slaves using PIC16f877a. Thats a part of my project. But right now I need to make a demo about 1 mater and 5 slaves using RS485. I need communication between master and 1 slave at a time. And whenever i need to communicate with any slave i should be able to do this.
So pls give me the basic and depth ideas. i have red abt RS485. From that i got some points abt resistors between starting node and end node. That resistance for upto 30 nodes. If i need extend any nodes means how amount i should increase the resistance value? is there any formula for that? its urgent pls reply.....
Here we have somany questions and answer regarding RS485. again one more question ant re485. I need to make 1 master and 45 slaves using PIC16f877a. Thats a part of my project. But right now I need to make a demo about 1 mater and 5 slaves using RS485. I need communication between master and 1 slave at a time. And whenever i need to communicate with any slave i should be able to do this.
So pls give me the basic and depth ideas. i have red abt RS485. From that i got some points abt resistors between starting node and end node. That resistance for upto 30 nodes. If i need extend any nodes means how amount i should increase the resistance value? is there any formula for that? its urgent pls reply.....
