Arduino Due and simulink voltage resolution

Question

Nathanael 2014-10-24

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https://ww2.mathworks.cn/matlabcentral/answers/159964-arduino-due-and-simulink-voltage-resolution

评论： Hou-Pin Yoong 2015-4-27

I would like to use the analog inputs on the arduino Due board for a project I am doing, but I need a voltage resolution of 12 bits and the default is 10 bits.

Is there a way to change this? either in simulink or by hard coding it in?

Thanks,

Nathanael

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Answer 1

sho 2014-11-3

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ok i solved the problem with a easy s-function. check out this vid and just implement it with the arduino library command "analogReadResolution(12)".

http://www.youtube.com/watch?v=_OLctOFjjYQ

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Answer 2

Azzi Abdelmalek 2014-10-24

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This depends on the analog-to-digital converter of your card.

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Answer 3

Nathanael 2014-10-28

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Thanks Azzi,

I am using the Arduino Due board, which is capable of 12-bit ADC, however when it is initialized in simulink it is set to 10-bit ADC. Is there a way to change it from 10-bit to 12-bit within simulink?

Thanks again

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Answer 4

sho 2014-10-29

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have the same "problem" and would like to know if there is a way to change the input resolution of the arduino due from 10 to 12 bit. Maybe with a s-function?