![]() That is, STX (ASCII #2 = 'start of text') and ETX (ASCII #3 = 'end of text') are just regular control characters that are used very often for serial communication (as is ASCII #13 = 'carriage return' for signalling the end of a transmission), so these don't qualify for what you called 'special characters'.I don't know if anyone in the arduino community uses the old serial control characters, but they work perfectly for this use. ![]() STX (start of text) and ETX (end of text) were standard ways to mark the begin and end of a message's content, often used in serial protocols.After the Arduino Board receives this command, it is going to send our previously defined dummy data up to the.NET application, using the serial port, too (Of course, this requires the.NET application to stop sending any command down to the Arduino board): STX 12:00=11.78$ 23:00=8.9$ 06:00=4.54$.All Arduino boards have at least one serial port (also known as a UART or USART), and some have several. ![]() Used for communication between the Arduino board and a computer or other devices. ![]()
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