Ultrasound data transfer using transmitter and receiver

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Transmitting 14 byte data using ultrasound , through ultrasound transmitter and receiver, using self defined protocol Result is good as it had 100% success rate With self defined protocol , this method can transfer 14 byte message without any failure, the LCD display the number of message transmitted and success rate, the random text of 14 bytes is sent with checksum, then receiver side with LCD will validate the message and display the decoded message, number of messages received and success rate