Using multiple "Serial" ports of arduino mega 2560

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How to read data from Arduino Mega which is already connected with a sensor serially (For exmaple :Tx2/Rx2 or Tx3/Rx3)?
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Ameer Hamza
Ameer Hamza 2020년 3월 10일
Which Serial port is connected to the sensor? Serial0? If not, then you can connect the Arduino to the PC with USB and read data from the serial port.

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Gayatri Menon
Gayatri Menon 2022년 1월 4일
use device() to connect to serial device on Arduino
arduinoObj = arduino("COM16","Leonardo","Libraries",{'SPI','Serial','I2C'})
% For accessing TX2/RX2
serialdevObj = device(arduinoObj,'SerialPort',2)
write(serialdevObj,[88 99 65]);
Refer the following links for more info
In Simulink ,
use Serial Transmit and Serial Receive blocks to connect serial device on Arduino
The following examples might be helpful for you

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