Implementations are available in various programming. Please read the Medium Article to have an overview of this protocol. a Raspberry Pi) to communicate with an Arduino. It was designed to make two Arduinos communicate, but can also be useful when you want a computer (e.g. Serial communication on pins TX/RX uses TTL logic levels (5V or 3.3V depending on the board) Robust Arduino Serial is a simple and robust serial communication protocol. Click the serial monitor button in the toolbar and select the same baud rate used in the call to begin (). UART is called asynchronous because the communication does not depend on a synchronized clock signal between the two devices attempting to communicate with each other You can use the Arduino environment's built-in serial monitor to communicate with an Arduino board. A parameter enables inverted signaling for devices which require that protocol You can also use the SoftwareSerial Arduino library (SoftwareSerial.h) to use other GPIO pins as Serial RX and TX lines.
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It is possible to have multiple software serial ports with speeds up to 115200 bps. A packet is simply an array of bytes The SoftwareSerial library has been developed to allow serial communication on other digital pins of the Arduino, using software to replicate the functionality (hence the name SoftwareSerial ).
PacketSerial is an small, efficient, library that allows Arduinos to send and receive serial data packets (with COBS, SLIP or a user-defined encoding) that include bytes of any value (0 - 255). An Arduino Library that facilitates packet-based serial communication using COBS or SLIP encoding.