serial communication.....

Discussion in 'The Projects Forum' started by sruteesh, Jul 10, 2012.

  1. sruteesh

    Thread Starter New Member

    Jul 10, 2012
    1
    0
    hey can anyone help me regarding serial communication......
    i was testing ttl converter i got the output even though i did not provide it 5v and suddenly my system got crashed and iam not gettin any output now .........
    for testing i connected pin 11 and 12 and put 13---3pin of DB9 female and 14---2 of DB9..........
    pls help me its urgent/.............
    i think my max232 jus got burnt..

    Im working with atmega 16 and all the drivers regarding serial adapter and usbtiny are correct ........
    iam providing 5v using usbtiny connected to my laptop is tht wrong pls notify me ASAP...................
    iam a nebie to electronics.........
     
  2. mcasale

    Member

    Jul 18, 2011
    210
    12
    Please show your schematic.

    Going from 5V TTL to a MAX232 and then out to RS232 should be straightforward.
     
Loading...