Changing the pin of Arduino in Matlab script for mapping algorithm

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Ali Khan
Ali Khan 2019-6-11
评论： Floris 2019-6-12
HI guys,
I want to know that either we can change the predefined digital pin of Arduino in Matlab mapping algorithm or not. I am attaching the refrence link where i took the code. Now i am not sure that either these digital pins are predefined in libraries or just in a script. Thanks for your help
Mapping Your Surroundings Using MATLAB and Arduino
  1 个评论
Floris
Floris 2019-6-11
Hello,
Are you talking about the digital pins defined in the example code?
%% Create an ultrasonic sensor object with trigger pin D12 and echo pin D13.
% Create a servo object for the servo connected to pin D3.
sensor = addon(a, 'JRodrigoTech/HCSR04', 'D12', 'D13');
servo_motor = servo(a, 'D3');
Because you should be able to just configure 'D12', 'D13', 'D3' to other pins on your board.
You can read more about setting arduino pins here:
https://www.mathworks.com/help/supportpkg/arduinoio/index.html?s_tid=CRUX_lftnav

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采纳的回答

Ali Khan
Ali Khan 2019-6-11
Thanks for your reply,
Actually i was confused that it can be possible or not. My main purpose is to send the data from arduino uning bluetooth to Matlab and map it.

更多回答（1 个）

Ali Khan
Ali Khan 2019-6-11
Right now , I am implementing the example code available at the following link. When i run the code, a following error pop up. Can you tell me what is the exactly problem?
Undefined function or variable 'table'.
Error in Mapping_Your_Surroundings_Using_ArduinoandUltrasonicSensor (line 47)
polarplot (table(:,1)*pi/180, table (:,2));
Mapping Your Surroundings Using MATLAB and Arduino
  1 个评论
Floris
Floris 2019-6-12
Hello Ali,
I would open this as a separate question rather than using this question-answer thread to answer more questions. This error is, as the error states, because you have not defined 'table'. This means that the MATLAB compiler has no idea what to do with the word 'table' so take a good look at your code to see what table should be.
-Floris

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