Questions tagged [arduino-motor-shield]

An extension board for Arduino which provides functionality for controlling DC/stepper motors and other inductive loads (such as relays and solenoids).

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Seeeduino Motor Shield Power Supply

I'm looking to drive two DC motors (on a toy RC car) using a Seeeduino and Seeed Motor Shield V2, but can't manage to get the power scheme right. Right now, a 9V battery connected to the shield powers ...
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187 views

Arduino Motor Shield not working properly

I am currently making a project which includes a car controlled by the Arduino Motor Shield. I have written a code to control the motor shield via Bluetooth. However, the code doesn't seem to work. I ...
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533 views

Arduino motor driver 3.7v

I am planning to build my own micro quadcopter, so I bought an Arduino 101 and 3.7v micro DC motor. So the next step is finding a motor driver that can control these four motors, using PWM pins on ...
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63 views

Issue regarding executing sketch code when not connected to USB

`I have an Arduino Uno A000066 Board R3 that has an Arduino A000079 Motor Shield Rev3 attached to it. Also I have connected two DC Servo Motors to the Motor Shield and wrote the following sequence: ...
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594 views

How can I reduce speed of motor with motor shield?

I'm using Arduino and Adafruit to control 4 motors for a little robot. I have this code example: #include <AFMotor.h> AF_DCMotor motor1(1, MOTOR12_1KHZ); // create motor #2, 64KHz pwm ...
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250 views

Problem with my Arduino project

I am making a smart bin which automatically sense (with the help of IR sensor ) and dispose the trash by moving with help of DC geared motor 12V 60 RPM and it also detects for obstacles with the help ...
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172 views

Debugging arduino shield for varying voltage

I'm using this motor shield for arduino from adafruit. It says it can drive 4 DC motors with it. However, two terminals M3 & M4 (as marked in the image) seem to be supplying lesser voltage. To ...
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587 views

Motor shield causing problems with interrupts?

I am making a controller for a model railway turntable and I need to control a single DC motor and read a hall effect sensor. I have the hall effect sensor connected to pin 2 on my Uno (since 2/3 are ...
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439 views

Best 2a stepper motor driver for Arduino Uno

What is the simplest (from a user/install standpoint) 2a stepper motor driver for an Arduino Uno? I would like something simple and easy to stack like the Adafruit Motor/Stepper/Servo Shield for ...
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45 views

Coding for Seeed Arduino motor shield

I acquired a Seeed studio Arduino motor shield V.2 and wanted to start using it. The problem is that there is like no good example code. The library for the shield on the seeed website has one example ...
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817 views

Motor Shield with 4 DC motors + small servo, which battery is suitable?

I am building my first 4wd vehicle with Adafruit motor shield with one Ultrasonic sensor and one small servo to move sensor. I am facing some problems. Bought 4 motors (2 GM9 and 2 GM3), found the ...
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1k views

Driving stepper motors adafruit motor shield v2

I got an Arduino Uno Rev3 and Adafruits Motor Shield V2. I also got two RepRap stepper motors: Frame size 42 x 42mm - NEMA 17 1.8 degree step angle Length 47mm Holding torque 44 N.cm (4.4kg.cm, 62oz....
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750 views

Which Arduino DC motor controller shield to use?

I wanted to try and experiment on 24 V DC motors (Dual) and was looking for controllers compatible with Arduino Uno. When I found this Pololu TReX Jr 2 x 2.5A 5-24V Dual Motor Controller, the ...
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1answer
569 views

Arduino Robot won't move

I am building a robot for a school project. I use an Arduino Uno, 2 dc motor's and an Ultra Sonic range measurement module. I want the robot to be autonomous, he has to be able to move around on his ...
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9 views

Adafruit v2.3 Motor Shield Initialization Failure

I would appreciate any help solving this as I have spent several hours trying to debug. My code seems to stop when I get to the initialization of the motor shield. motorShield.begin(); #include <...
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17 views

Will L293D arduino shield lose functionality if I connect it with jumpers instead of mounting on arduino?

I'm new to arduino and have bought a L293D motor driver shield which have no heads on the pins. I looked at the pinout and it seems that shield does not use any of the pins "by default". So will it ...
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27 views

Motor driver shield l239D should be giving enough power but it doesn't

I am doing a line follower robot using motor driver shield l239D stacked with an Arduino uno to run 2 DC motors and two infrared sensors. I am supplying 12V to the motor driver shield trough three ...
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41 views

Motors working with Ultrasonic Sensor and Servo as expected?

So, I tried making an Arduino Project(Controlling Motors by Remote and Ultrasonic Sensor would activate Servo when the distance is less than 50cm). I am trying to build a project, A remote controlled ...
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1answer
59 views

Arduino Obstacle Avoiding Shield controlor motor L293D

I am a beginner with Arduino . I wanted to make a Arduino obstacle avoiding so I commanded last week an L293D Shield Motor Driver and I don't know if what I receive is the good ithem . First picture ...
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80 views

Error to work in reverse VNH2SP30

ım building a rover and ı using Johson 12v Dc motor and VNH2SP30. My code and motor works perfectly but my motor driver works only one way. It cant go to reverse and motor starts buzzing when it tries ...
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24 views

Why is my quadrature encoder writing as irregular intervals in serial monitor after working fine?

I'll try to keep this brief and add code/output at the bottom. I am using an Arduino Uno with a Pololu motor shield and two Pololu motors. I am driving speed control using the encoders at the ends of ...
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269 views

Unable to control servo with decoupling capacitor and external power supply, but motor shield works

I'm a hobbyist trying to up my arduino and electronics knowledge. I can successfully control a hobby servo using an motor driver shield (https://learn.adafruit.com/adafruit-motor-shield/overview) but ...
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92 views

Servo not moving

I have connected my servomotor (MG996R) to my L293D motor shield, which is connected to an Arduino Uno R3 Board. I use 4x AA 1.2V NiMH batteries to power the shield, and a regular 9V battery to power ...
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50 views

Using Arduino Motor Shield

I'm looking to create a blind controller and have set up the hardware and software as I think it should be. I had the software working fine using an IC motor driver, but as I am no great at soldering,...
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135 views

Arduino Mega 2560 and servo motor in Proteus

Can I get help to connect Arduino Mega 2560 and servo motor in Proteus 7.8 correctly because I tried this connection, in the image below, with sweep.ino.hex in the Arduino software examples but did ...
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39 views

Robot can't stop after joystick release

Used the plan from: https://www.instructables.com/id/Arduino-RC-Gamepad/ The motor doesn't stop when release the joystick, need help. Thanks. <pre> {#include <VirtualWire.h> //...
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94 views

L293D Motor Drive Shield For Arduino question

I have this shield for Arduino . The suppliers states that the driver is capable to move 2 unipolar stepper motors. https://www.sainsmart.com/collections/all-for-arduino/products/l293d-motor-drive-...
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1answer
43 views

Having trouble with motor shield running off external power source

I apologize if I don't immediately give important info, I'm very new to arduino's/circuity of any kind. I'll try to include as much info as possible. Some preface: I'm currently working on a project ...
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243 views

Why is Wire.endTransmission(true) returning 10?

Question: The follow code is printing 10 over and over again (with spaces in between). I have an I2C device connected at 0x60, and nothing connected at 0x61. I'm confused by this because the Wire....
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1answer
70 views

Programming a switching AC current?

I tried using this code to output AC power from one H-bridge and then another, switching every second, but when I connected a motor to it, it just seemed to output direct current. This is the code I ...
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880 views

Compiling error: undefinded reference to pinMode and digitalWrite

I'm using some downloaded code to produce an obstacle-avoiding car: /* Author: Muhammed Azhar visit - robotechmaker.com */ #include <AFMotor.h> const int trigPin = 2; // define the pins of ...
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1answer
171 views

Arduino and MatLab with OWI Robotic Arm Edge — Issue with I2C

I'm working on a project where I want to be able to program a robotic arm in Arduino using MatLab. I've used the Arduino Uno with an Adafruit Motor Shield V2.3 and the OWI Robotic Arm Edge kit. The ...
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26 views

How do I use this motor shield?

I am stuck with this motor shield. All I have is the shield. No documentation available online, nothing. I need to run two motors off this thing and I only have a few hours to figure out how this ...
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226 views

Is there a module for driving 2 stepper simultaneously?

I'm looking for a module (not a shield) to drive 2 stepper motors simultaneously. The solution I found for now is 2 TB6612FNG modules, but if someone knows something that can work with 2 steppers ...
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0answers
880 views

Monster moto shield + Arduino +Pololu 12V, 29:1 Gear Motor Encoder hardware problem

Overflow enthusiasts! I am trying to build a balancing robot with two wheels, using the polulu gear motor as mentioned above. In order to have a strong motor driver,the monster moto shield is used in ...
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1answer
206 views

Can't make ultrasonic sensor work with motor controller

I just started using Arduino Uno, I can't get the ultrasonic to work ,with motor controller board, the output value is always zero. Just to make sure I'm talking about the correct stuff: I used this ...
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1answer
67 views

Using Arduino and Motor Shield

I am a beginner in Arduino.I want to connect 2 motors to Arduino. Do I require a motor shield?And if yes please tell why? Also can i use an amplifier to increase the voltage for the motors? And one ...
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1answer
108 views

Using an L298N driver together with servo motors on the same arduino

I'm using an L298N driver (powered by a 12V, 1.5A adapter) on a MEGA Sensor Shield (powered by a USB cable). Everything works fine and I can control the direction and the speed of the DC motor, ...
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1answer
135 views

Help with code for pushbutton connected to adafruit motorshield v2

can anybody assist me with a code? I am using arduino uno with adafruit v2 motor shield stacked on top. I am using a pushbutton and one DC motor and I want the state of the push button to change after ...
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1answer
67 views

Code causing Servo motor not to work!

My sketch is compiling and loading, but when the program runs, the Servo motor does not work. The buttons work, the LED light works, Piezo buzzer plays the melody, the Stepper motor works but not ...
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3answers
104 views

NEED Help With Servo motor

I have just bought a MG90s tower pro servo for my school project and there is a problem. As soon as I connect my servo to the cnc shield or directly arduino, the whole arduino board turns off. I ...
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2answers
147 views

Arduino MotorShield code running but not motors

I have a motor shield V2 on my Arduino, i compile the codes just fine and i'm trying to just run the example dc motor test. The code compiles the serial is printing out the "tick tock ...." but the ...
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1answer
968 views

Triggering the push button on the analog input of the L293D motorshield

I'm trying to drive a 12v dc motor using three push buttons, one to turn clockwise, the other counter-clockwise and the other to stop the motor completely. However the code below is not working, ...
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2answers
472 views

How to detect high/low signal from a DC servo motor using arduino?

I am a newbie to Arduino. What I am going to do is to change my roll to roll printer to flatbed printer. Rather using print roller, I decided to move the bed from a stepper motor.I know how to run ...
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1answer
97 views

Adafruit motor shield v1 Need help Running 3 DC motors simultaneously?

My project is that I am building an animated (singing, dancing, head turning, and arm waving) snowman. I have 3 DC motors for individual functions that are to be run via Arduino Adafruit V1 card ...