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I can't connect my Adafruit Motorshield v2.3 with matlab2014a.

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mona willtig
mona willtig on 16 Feb 2016
Commented: Menghan on 24 May 2016
Hello :)
I try to connect my Adafruit Motorshield v2.3 with Arduino Uno on matlab2014a (64bit as Win10):
a = arduino('COM6', 'Uno', 'Libraries', 'Adafruit/MotorShieldV2') Updating server code on Arduino Uno (COM6). Please wait.
Cannot program Arduino board Uno (COM6). Please make sure the board is supported and the port and board type are correct.
I installed the Arduino Addons and this works fine:
Code: a = arduino('COM6', 'Uno') Updating server code on Arduino Uno (COM6). Please wait.
a =
arduino with properties:
Port: 'COM6'
Board: 'Uno'
AvailableAnalogPins: [0, 1, 2, 3, 4, 5]
AvailableDigitalPins: [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
Libraries: {'I2C', 'SPI', 'Servo'}
Is there a way to implement the Adafruit code? for me it seems this is missing.
Thanks for any help!


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bram verhelst
bram verhelst on 22 Feb 2016
YES!! I found how to do it. Thanks a lot sebastian! I found it thanks to your guide but mine was a little variant of yours.
So I didn't had the "utility/Adafruit_PWMServoDriver.h" in my files But I had "Adafruit_PWMServoDriver.h" in these two files C:\MATLAB\SupportPackages\R2015a\arduinoio\toolbox\matlab\hardware\supportpackages\arduinoio\+arduinoioaddons\+adafruit\src\MotorShieldV2Base.h and C:\MATLAB\SupportPackages\R2015a\arduinoio\toolbox\matlab\hardware\supportpackages\arduinoio\+arduinoioaddons\+adafruit\motorshieldv2.m
changing this "Adafruit_PWMServoDriver.h" into "Adafruit_MS_PWMServoDriver.h" in those two files and saving it did the trick!!! it is now working!
Thank you sooooo much! Hope this helps for others! Tom
QINGCHEN LIU on 6 Mar 2016
Hey Sebastian,
thanks for the posted solution, when I type your trace on code and I get this error message below: The Arduino source 'Adafruit_MotorShield/Adafruit_MotorShield.h' for libraries 'Adafruit/MotorShieldV2' cannot be found. Install the 3P library source first and try again.
How can I deal with this? Thanks very much
Menghan on 24 May 2016
This issue has been fixed in MATLAB R2014a and onwards. If you have already installed the support package, please update it or reinstall the support package to get the latest update including the fix.
Please feel free to contact our Technical Support if you still see the error.
(MathWorks - MATLAB Hardware Team)

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