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Serial Communication of 2 Processors


This project uses 2 Atmega16 with 16 MHz external clock. The first microcontroller is used to capture inputs from keypad 4 x 4. The second microcontroller is used to show outputs on LCD HD44780 2 x 16. I use asynchronous mode for this project.

This is the schematic:
But if you want to use synchronous mode, PINB.0 of first AVR should be connected to PINB.0 of second AVR.

This is the sample of this project that I have made.


If you want to know how to connect AVR with LCD HD44780, see my other post here.


http://electricalgaze.com

15 comments:

  1. Sir, may I ask the source code, so I could learn, because I do not know how to get the data sent by another microcontroller.
    if you do not mind, would you send them via e-mail me at side.x.master@gmail.com

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