While sending as ASCII-encoded strings takes more bytes, it means you can easily send values larger than 255 for each sensor reading. They are similar, in that both use a handshaking method, but this one encodes the sensor readings as strings, while the other sends them as binary values. The examples below split the incoming string on the commas and convert the string into numbers again.Ĭompare this to the Serial call and response example. You can use the Arduino Software (IDE) serial monitor to view the sent data, or it can be read by Processing (see code below), Flash, PD, Max/MSP (see example below), etc. Then it sends three sensor values as ASCII-encoded numbers, separated by commas and terminated by a linefeed and carriage return, and waits for another response from the computer. The sketch sends an ASCII string on startup and repeats that until it gets a serial response from the computer. This example demonstrates string-based communication from the Arduino board to the computer using a call-and-response (handshaking) method.
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