Exchange of data between two Arduinos with redundancy and checksum verification

The code aimed to make two Arduinos exchange a number randomly generated. The number is converted into a binary signal. A checksum is added at the end of the signal. You can parameter the length of the signal and the number of repetitions of the sequence.

Every communication is preceded by a "header" a sequence announcing the beginning of the communication. You can also parameter the number of headers.

The code was used in a personal project than you can see in my personal portfolio. More information about the Project

You need to upload the same file in both Arduinos. But you need to execute RX() to receive data and TX() to emit data in the main function of the Arduino program.