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Serial communication between two Arduino

This project is about how to connect two Arduinos (Nano,Uno) to each other using serial communication. There are a few functions in Arduino that you can use to run the serial communication. I used Arduino Nano as the sender and Arduino Uno as the receiver. A keypad is connected to the sender and data has been reading by Nano and then will be sent to Uno. Thorough a 16*2 LCD I displayed what was typed on the keypad. There is a simulation available in Proteus.
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