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

learn more… | top users | synonyms

4
votes
1answer
285 views

H-Bridge vs Motor shield for the arduino

Assuming we wish to control a small toy car with an arduino - meaning spinning the right and left wheels forward and backward and being able to break and control the speed, where each wheel has it's ...
4
votes
1answer
249 views

Arduino motor shield will only work in one direction

I have this Arduino motor shield which is hooked up with two DC motors. The board is the same as this one from Sparkfun. A PWM output controls the speed of the motor, and a digital out controls the ...
4
votes
1answer
509 views

How can I connect the Tamiya double gearbox to Ardunio uno?

I'm working on building my first robot—indeed, this is my first foray into DIY electronics. I already have a Arduino uno, and I have ordered the Tamiya double gearbox here. My goal is to control the ...
2
votes
1answer
6k views

Question different ways of connecting L298N motor driver board to arduino and motors and powering them

I read few posts and tutorials on this topic but none of them kind of answered my questions. I bought this L298N motor board and i have two motors that are rated 3V Now i am trying to understand ...
2
votes
1answer
430 views

Stacking Arduino Shield (Motor Shield, LCD Keypad, LED Sensor)

I'm building a line follower with arduino, here some part that I'm going to use Arduino Uno Motor Shield 2A http://www.dfrobot.com/index.php?route=product/product&product_id=69 LCD Keypad 4 ...
2
votes
2answers
316 views

Motor shield and wireless transceiver compete for same pins

I would like to use these 2 components with an Arduino Uno: Arduino Motor Shield R3 nRF24L01 2.4GHz Wireless Transceiver I use Stepper for the motor shield, and SPI + RF24 for the wireless ...
2
votes
1answer
432 views

Arduino Uno + Ardumoto + BT robot works from USB but not from baterries

My Arduino UNO board is part of a small robot that works when connected to the laptop by USB but it does not when plugged to the batteries. The baterries plug seems okay, it outputs 7.8 V. My UNO is ...
1
vote
3answers
712 views

Do I need the Motor Shield to drive servo motors?

I was perusing Arduino's list of official shields and noticed the Motor Shield that can be used to drive up to 2 servo motors. Being brand new to Arduino/robotics, I am wondering: do I really need ...
1
vote
1answer
189 views

Are these lcd and motor-shields stackable?

first of all, I'm kindly apologizing for asking such stupid questions, but as my electronic-knowledge is dramatically limited, you are my only hope to get my problem solved. I'm pretty new to Arduino ...
1
vote
1answer
23 views

Arduino Program uses less RAM then expected and doesn't run

I am trying to make a program for my Arduino that will run 4 motors with random actions (forward,backward,left,right) and execution is determined by a random number generator. When I compile there is ...
1
vote
1answer
202 views

Is there some sample code for operating a servo with an Adafruit Motor Shield?

I have an Adaruit Motor Shield v2, and a Tower Pro SG92R micro servo. I've got it setup so the shield works with my Arduino Uno, and I've successfully tested using other types of motors on the shield. ...
1
vote
1answer
24 views

Two engines in one set of pins/plugs

I have been putting together a small robot using an Arduino Motor Shield R3. The shield has two sockets for engines, however the wheel carriage I bought has four motors. I tried putting both right ...
1
vote
3answers
260 views

Sonar and servo stop working when usb cable unplugged

I am using the following components to build simple motobot: Arduino Uno Arduino motor shield, servo, sonar HC-SR04, magician chessis, DC adapter with 4 AA batteries. All works fine while USB ...
1
vote
1answer
511 views

Arduino Motor Shield and Adafruit CC3000 WiFi Shield Compatibility

My question is similar to this one: Motor shield and wireless transceiver compete for same pins But not exactly the same! I would like to know if the solution is as practical, though. I have an ...
1
vote
0answers
74 views

How to drive 5 cd motors with one motorshield [closed]

I have the adafruit motorshield which contains 4 H bridges and is therefore capable of driving 4 DC motors. I want to add the capability of driving one additional motor (it does not need to be ...
1
vote
1answer
31 views

Motor Shield StepMotor

What the two yellow cables as you can see in the picture do not know?
0
votes
2answers
89 views

What is the difference between a motor driver and a motor shield?

what is the difference between a motor driver(like L293D) and a motor shield? what are the advantage?disadvantages of both? And which one do you suggest ?
0
votes
2answers
76 views

Student Project Inquiry(Building a Self Balancing robot)

I am currently building a self balancing robot using an L298N motors driver,and MPU6050 using an arduino microcontroller. I managed to control my motors movements with no issues. After I extracted ...
0
votes
1answer
41 views

adding a dead band to my motor and gearbox

I have a motor and gearbox that has limits and a pot built in. I have some code what drives the motor one way to when it hits its limits takes a value and drives the other way and takes a value, then ...
0
votes
1answer
27 views

Arduino Motor Shield

It seems that I can't get the DC Motor function to work while also having servos driven off the other ports :( #include "Arduino.h" #include <Servo.h> int pinI1=8;//define I1 interface int ...
0
votes
2answers
65 views

Pro Mini 5v with Adafruit motor shield v1 power sharing problems

I am trying to convert a RC car into autonomous car using Arduino Pro Mini 5v 16 Mhz. I have done this with UNO and Adafruit motor shield 1.0 with 4 gear motors and one micro servo for mounting range ...
0
votes
1answer
37 views

Powering a 6-12V motor using a lead acid 6V battery with 6Amps of current?

Hi I'm using a adafruit motor shield v2 and I need to power a DC motor 6-12V but I'm not sure if my battery will be okay for the shield. Will it burn the shield? I'm going to be using 6V so it should ...
0
votes
1answer
39 views

How to communicate with arduino uno when arduino motor shield connected to arduino uno?

I'm using this Dual Motor Shield when I plug Arduino Dual Motor Shield into Aruino uno can't seen any way to communicate with Adruino uno.how can I communicate with uno ?
0
votes
1answer
23 views

Questions Concerning Arduino Compatible Boards

I've seen an Arduino-compatible board called Bluno from DFRobot. I'm curious if a shield, specifically the DFRobot motor shield can be connected to the Bluno. Can anyone confirm if it can be ...
0
votes
1answer
82 views

Alternative Way to Power Components on an Arduino

I have very limited knowledge regarding electronics. Please help me cure my ignorance on the subject of robotics. I want to power the Arduino Uno R3, US-015 ultrasonic sensor, and the L298N motor ...
0
votes
1answer
124 views

Connect 5V DC Fan to Ardumoto

I wish to connect 2 simple 5V DC Brushless Fan (80x80x15mm, https://www.sparkfun.com/products/9649) to Ardumoto (https://www.sparkfun.com/products/9815). Therefore, how to I turn on/off the fan as I ...
0
votes
1answer
151 views

Which battery should I use to power arduino+motor shield + two 200 RPM (3.6V/1.5A)motors

I am using two motors ( from old two drill machines - same kind, these are 3.6v motors ), connected to arduino + arduino motor shield seeed studio v2. When I measured the both motors (indvidually) ...
0
votes
1answer
2k views

Two 300RPM 12V DC motors connected to arduino motor shield r3 power supply

I have two 300RPM 12V DC motors connected to arduino motor shield r3 that is mounted on arduino uno board. Problem is my motors runs very slow some times not even running. After googling I found I ...
0
votes
1answer
65 views

Over voltage on Arduino and Ardumoto

I am using Arduino Leonardo and Ardumoto to drive 2 12v motors running at 1.3 amps each. I purchased a rechargeable battery of 12V with 5AH I first started by plugging in the battery to the Arduino ...
0
votes
2answers
290 views

Is it ok to share the same power rail for the arduino and a shield?

I have a two amp 5VDC power rail. I have configured a motor shield to use external DC (by moving a jumper.) Is it ok to share the rail between the arduino's 5V and Gnd pins, and the motor shield?
0
votes
2answers
29 views

Arduino car on bluetooth remote appears to crash when motors started

I built a Arduino robot car which accepts instructions via bluetooth. The instructions are pretty simple, they tell the car to stop, go forward, reverse, turn left or turn right. When I have the car ...
0
votes
0answers
60 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 ...
0
votes
1answer
34 views

Newbie need help to make a motor run for a laser scanner and some questions

I am trying to make a laser scanner consisting of a webcam and a line laser scanner. I have tried to use a manual scanning (by hand) and has worked, but would now like to consider automating the laser ...
0
votes
1answer
29 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, ...
0
votes
0answers
18 views

Coding for seeed arduino motor shield

I acquired a seeed studio arduino motor shield V.2 and wanted to start using it problem is that there is like no good example code. The library for the shield on the seeed website has one example and ...
0
votes
1answer
125 views

MIT happy board like shield for arduino

I'm working with the robotics lab at the university to try and find a replacement for the obsolete Handy Board. We're considering purchasing arduinos because of their ease of use but we can't seem to ...
0
votes
0answers
46 views

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 ...
0
votes
1answer
167 views

Adafruit motorshield disconnected but getting current from Arduino

my Adafruit motorshield is getting current from Arduino board even after disconnected from battery. I was planning to give separate dc power from 6 AA cells to motor shield but not sure if extra ...
0
votes
0answers
153 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 ...
0
votes
0answers
90 views

How to test on Big easy driver,whether it's function or not?

I am currently using an Arduino Uno 3 to run this stepper motor driver (Big Easy Driver, ROB-11876 from sparkfun) https://www.sparkfun.com/products/11876. actually this is my first try on this motor ...
0
votes
3answers
186 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 ...
0
votes
0answers
82 views

Change direction on dfrobot motor shield l298p

I want to change direction of rotation of motor shield l298p, but it is not works. I read the manual and use code from there. I found same problems (here) but cant found resolve it. How to change ...
0
votes
0answers
382 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, ...
0
votes
0answers
294 views

Which Arduino DC Motor Controller Shield to use?

Hi just begnning my life in arduino. i wanted to try and experiment on 24V DC motors (Dual) and was looking for controllers compatible with Arduino UNO. When i found this ...
0
votes
0answers
170 views

Debugging a Radioshack Arduino motor/sensor shield

I bought a cheap "Make" kit at Radioshack, which includes some sort of proprietary Arduino-Uno capatible motor/sensor shield. Naturally, the documentation is pretty bad. I found a circuit ...
0
votes
1answer
175 views

Arduino + simple DC motors? (4WD kit)

I am trying to connect 4 small DC motors to Arduino, like those in the following image: The specification for each of them is: Suggested Voltage: 3V DC; No Load Speed: 65 ± 10rpm; No Load ...