Python has a module called pyserial, which is also easy great.Įither language will give you much greater control over console output, should you choose to proceed this way. NET's serialport class which is a pleasure to use. The external program can then display this information in whatever way you'd like, a nice console output would be relatively easy to achieve :-)Ĭ# has. The second version, String concatenation, is the worst option in all respects and should be avoided at all costs. If you don't, then the first option of printing each part separately is the most efficient in terms of memory. The external program would then keep these values (1 for each sensor). 5 Answers Sorted by: 7 If you need the result in a single string then your 3rd option is the preferred way. Your Arduino program will need to send a message your external program can unambiguously interpret, something like 1=0.5 where 1 = sensor ID and 0.5 = sensor value. Then concatenate the values together (including separators if it makes the data easier to read)Īn output of something similar to this is what i'm hinting at: | 1.0 | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 |Īll things considered, this isn't a great solution but it would get you a result.Ī far smarter idea is to build another program outside of Arduino and it's IDE that listens to the com port for sensor values sent from the Arduino. To accomplish a fixed width string that's suitable for serial println() you'll need functions to convert your sensor values to strings, as well as pad/trim them to a persistent size. You could also shrink the height of the window to make it look like it only has one line. The Arduino IDE's Serial Monitor's Autoscroll checkbox means if you persistently send the fixed width string (with 500ms delay perhaps) this will give the impression that it's updating once it gets to the bottom and starts scrolling. Syntax Serial.println (val) Serial.println (val, format) Parameters Serial: serial port object. This command takes the same forms as Serial.print (). I can think of a couple of options, the simplest (and cheatiest) is to use println() with a fixed width string that you've generated that contains your sensor data. Description Prints data to the serial port as human-readable ASCII text followed by a carriage return character (ASCII 13, or '\r') and a newline character (ASCII 10, or ' '). It's not possible to clear the Serial Monitor window based on incoming serial data.
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