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Hi, i want to transfer some data from 3 micro controllers to one micro. i don't want to use wireless transmission. the distance between micro controllers are at least 10 meter. i use PIC16F877A and picbasic pro 2.43, could you help me?
i haven't do that before and i don't know about UART , could you introduce some websites that have sample project to learn UART?
thanks but i use picbasic pro 2.43 and i'm not good in assembely.
i know but the distance is long and we have noise and i have to add some codes like haming codes to find and correct the fault, i have done it before with wireless transmission with haming code but it doesn't work when i connect it with wire(a wire from,for example ,PORTC.0 to PORTC.0 of main micro), i have more faults.
hi,
For 10mtrs you should use a cable with an outer screen and if possible individual twisted pairs.
Using MAX232 line drivers/receivers, this cable will carry RS232 at +/-9V upto 30mtrs without problems.
What cable links did you try.?
what about using serin and serout instructions and a shield cable?
if i want to use serin and serout instructions, can i connect(for example) PORTB.0 of micro 1 to PORTC.1 of main micro with wire directly?(with 10 to 20 meter distance)