How to control DC motor with Elegoo mega2560 board and adafruit motorshield V1?

Question

Hannah Vu 2022-11-19

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1856558-how-to-control-dc-motor-with-elegoo-mega2560-board-and-adafruit-motorshield-v1

回答： Prateek 2022-11-22

Hello,

I just bought an Elegoo Mega2560 board and an Adafruit motorshield V1. I need to control a DC motor, and I did a code like below. The code ran fine and said that the motor is running, but my motor is not running at all. Could anybody please help?

%% Create shield object

% Create an arduino object & include the Adafruit\MotorShieldV2 library to the hardware

a = arduino('COM3','MEGA2560','Libraries','Adafruit\MotorShieldV2')

% Create an add-on shield object by specifying the required library name parameter

shield = addon(a,'Adafruit\MotorShieldV2')

% Create a DC motor object at port 3

dcm3 = dcmotor(shield,3)

start(dcm3)

dcm3.Speed = 0.3 % Set the motor speed to 0.3

pause(2)

stop(dcm3)

clear dcm shield a

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Answer 1

Prateek 2022-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/1856558-how-to-control-dc-motor-with-elegoo-mega2560-board-and-adafruit-motorshield-v1#answer_1107848

Hi Hannah,

The code shared by you is for Adafruit Motorshield V2 but it seems you’re using Adafruit Motorshield V1. Please note that the V1 has been discontinued for a while and hence not supported by MATLAB.

In case you want to use V1 only, here is a link with instructions on how to create custom support for hardware: Create Custom Arduino Add-On Device, Library, or Code - MATLAB & Simulink - MathWorks India

Hope this helps.

Regards,

Prateek