Questions tagged [arduino]

Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments. Be sure to use the Arduino Stack Exchange for questions that are more Arduino and less robotics.

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1answer
329 views

Quadcopter filter and Angular rate vs angle (Arduino programming)

I wrote an Arduino program for my quadcopter that sets to power of the 4 ESC's using software. Now I need to incorporate the gyro and add a "Complementary Filter" to stabilize it. I am currently ...
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2answers
118 views

What parts do I need for my first robot? [closed]

I have never built a robot before and I am looking to get started. The problem is that I have no idea what parts I will need... below are a list of things I want the robot to do. Have a speaker Be ...
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4answers
539 views

Path of the robot

I have built a simple robot which will move from a source to destination. I want to record a 2d path which the robot has taken in real time. Something which is similar to the image I have take.(...
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1answer
97 views

How can i convert Torque input into PWM signal?

I am working on a project in which i have a robot working with stepper motors. I wish to control this robot with simulink. How can i convert the input( Analog sin input ) into the PWM that can be used ...
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2answers
2k views

A* algorithm for Arduino robot path planning

Im in the process of getting into robotics. I have decent experience with symbolic AI and am wanting to start off using symbolic AI strategies to give a wheel, arduino based robot some "intelligence". ...
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2answers
220 views

How to develop subsumption architecture using two Arduinos?

I know what subsumption architecture is, and I'm sure I should have two different hardware modules (Arduinos) taking responsibility for low level computational tasks. Now my problem is I have an two ...
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2answers
470 views

Using ROS to control a CMM (Coordinate Measuring machine)

i'm a senior, i really desperate to find answers here. i am building a robotic arm with bunch of low-cost sensors , motors and other actuators. i'm using PI 3 as my Microcontroller. I need helping to ...
2
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1answer
114 views

Looking for pointers on hexapod project

I've been working on a hexapod project based around an Arduino and I'm running into issues with the servos. I've built a frame, connected the Adafruit servo driver to the Arduino and can successfully ...
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2answers
1k views

DC Servos moving randomly

First time asking a question on this Stackexchange, I hope I don't sound too dumb... My daughter saw a documentary about robots and immediately asked me to build her a robotic arm. I found a nice one ...
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1answer
350 views

DC servo motor shake/vibrate too much

I have a servo motor (details are here). I wrote a code in Arduino to rotate it in some defined angles and position. Code is given below: ...
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1answer
43 views

Calculating motor power and motor needs for 200 lbs load

I'm trying to make a load carrying robot which will follow a line and will have capacity to carry 200 lbs on concrete surface. What should be the horsepower for electrical motor to handle this on 0 ...
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1answer
826 views

Wall following robot oscillates heavily

I have a mapping robot , 3 ultra sound sensors HC SR04 , arduino uno board, two motors MG-6-120, power source 2 5v 4000 mAh power banks, driver L298N. It uses a wall follower algorithm (here is the ...
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1answer
114 views

Flight controller drift issue

(This is a little long) So I am working on a drone recently, and aim to control it using an Android device. I've read that it can be done using a Raspberry Pi and Multi Wii, but I couldn't find any ...
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1answer
52 views

For a beginner who wants to learn lots is it better to use a PIC and start from there or to use something like a Arduino?

For a beginner that wants to learn how to build robots and learn as much as possible is it better to use a PIC and start from there or something more like an Arduino? I ask because I have this book ...
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0answers
203 views

Kinect V2 (Arm/Hand Reading) to G-Code

I am very new to this space and would greatly appreciate some clear guidance. I have a Raspberry Pi 3, Arduino Mega 2560+Shield, and Kinect v2 + PC USB cable adapter. I am currently building the ...
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1answer
47 views

How Do You Program the SR04 Ultrasonic Sensor?

Dear Robotics Community, I am participating in a Robotics tourney that will start in a few weeks. The challenge I signed up for is to deliver and dump ping pong balls to a box. I already have my ...
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0answers
42 views

Correct Hardware for a Small Lightweight Robotic Arm

I'm building my first robotic arm and I am new to robotics generally, but I have tried to do some research. I need to build a robotic arm that will be relatively lightweight and will need to grab ...
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2answers
5k views

How can I calculate speed and torque of stepper motor screw

I want to choose stepper motor screw with slider for use it to shift cube with side 5 cm and wight 250 g . I found this motor .. how can I calculate speed and torque of slider
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0answers
490 views

Controlling a digital 360 degree servo

I have successfully controlled an analog 360 degree servo using a slide potentiometer, with the pot sending a 1000ms signal at one end of the pot and 2000 ms at the other. This gives me nice and ...
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1answer
24 views

Suggestions for a rotational actuator [closed]

I am looking for a rotational actuator with high torque and one whose rotation angle can be controlled using the arduino control signals The project is an e-brake for an e-bike. Working mechanism ...
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1answer
77 views

How to detect books in a bookshelf? [closed]

I need help converting this project to reality for my office that I currently work in. I basically want to have sensors(idk which or what kind) behind a bookshelf in individual racks and have those ...
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2answers
634 views

Is it possible to use neural networks with Arduino?

I've got a project in university to build a vehicle on Arduino and I'd like to implement reinforcement learning for it. The processors on Arduino, of course, are too slow for this task so here is my ...
2
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1answer
107 views

What happens when I connected my unpowered servo connector power wire to the powered arduino 5V pin?

I was playing at connecting wires to 'get the feel of it' when I accidentally connected the servo connector red wire to the arduino 5V pin while the arduino is connected to my comp, (and hence powered)...
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4answers
1k views

IR pattern projector

I am currently working on a robotics project in which I wish to integrated a depth/object scanner. Now my focus is currently on an IR camera in combination with some sort of IR pattern projector. ...
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1answer
687 views

Reducing noise between 3 ultrasonic sensors and make Autonomous Robot more precise

I made an autonomous robot with 3 ultrasonic sensors. I want to reduce the noise between the 3 sensors and make it gradually slow when it approaches an obstacle. My code is mentioned below. Please ...
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1answer
210 views

Disturbance rejection of PID controller with low sampling rate

I have a closed-loop system with the following discrete-time plant: $P(z) = \frac{0.1262}{z^2-0.3303z+0.07517}$ With a fixed (and horrendously low) sampling time of 0.05 seconds. The plant has a ...
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1answer
95 views

How do ultrasonic range behave with two objects at differents distance?

If I have the following objects: A and B. A is a distance "Y" from the ultrasonic sense and B is a distance "x". If B is fix and A is moving, does the ultrasonic sense receive and detects A distance?
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1answer
178 views

Robot real time control [closed]

I want to control a arduino based robot in real time , i am confused whether simulink real time control is a better option or Using ROS ?? I am familiar with the simulink , My application is to ...
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1answer
402 views

Stop giving current to motor with Roboclaw

I am not an expert on this topic and I know this is kind of old thread but im facing the same issue and I would like some help or advice. I am using and Arduino and a Roboclaw 2x7A (old version) At ...
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2answers
295 views

How to locate an object on a known surface

I am building a small robot on wheels. The robot will be moving at a small speed in a square area of known dimensions. I need to locate the robot and know its position at any given moment so I can ...
3
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1answer
584 views

High Res Rotary Encoders [closed]

As part of a project I need an encoder to determine the angle that this, Continuous Rotation Servo - FeeTech FS5103R, has rotated through. The resolution needs to be fairly high as I will be using it ...
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1answer
192 views

Can I implement continuous time feedback regulator in an Arduino microcontroller?

Arduino is a digital mikrocontroller. But I wonder if it's possible to implement an continuous time feedback regulator in an Arduino microprocessor? Continuous time feedback regulators such as PID: $...
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1answer
74 views

PI with poor sampling rate

I have a 1-DOF electromechanical application whereby I am controlling the contact-force at the tip of the end-effector. The force sensor on the end-effector unfortunately gives me force data and an ...
2
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1answer
655 views

Driving Rhino DC servo motor using Arduino through commands sending from MATLAB

I have a servo motor (http://robokits.download/documentation/RMCS220x_DCServo_Driver.pdf). I wrote a code in Arduino to rotate it in some defined angles and position. Code is given below: ...
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1answer
616 views

Rotate DC servo motor with ARDUINO

I have this servo motor (http://robokits.co.in/motors/high-torque-encoder-dc-servo-motor-60rpm-with-uart-i2c-ppm-drive?gclid=CLHf9_fCqNQCFVAeaAodhM0Ddg&). Generally, I have seen servo motor with ...
3
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1answer
189 views

Live Streaming video via Arduino with limited space [closed]

I am currently undertaking a competition called CanSat, in which you build a satellite in the form of a standard soda can. It will in turn then be launched 30 meters, 100 meters and then ...
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2answers
103 views

BeagleBone to Arduino analog communication [closed]

I have a BeagleBone Black, an Arduino Duemilanove and a WS2812b LED strip driven with 5 V. I have no level shifters, nor I intend to order one. The Arduino works perfectly with a LED strip, and I ...
0
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2answers
355 views

Will two 8-bit microcontrollers running in parallel perform similarly to a single 16-bit microcontroller?

Let's say I have multiple (8 bit) sensors which are sending signals to two microcontrollers simultaneously. In this case, I am looking to harness the parallel processing capability of the two ...
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1answer
116 views

Do Arduino Boards contain enough processing power for 4 DOF Robotic Arm [closed]

I am starting to work with 4 DOF Robotic Arm project.it has the following specs: 1- the speed of the tip of the end-effector is constant and adjustable. 2- the robot is controlled via joysticks ...
3
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2answers
509 views

Two-wheeled self-balancing robot - Choosing the control system

Would an Arduino Uno have the precision-timing required (using only firmware) to control a two-wheeled inverted pendulum robot, or would it need a RTOS? Note: Thanks for both answers, they both ...
2
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2answers
1k views

MPU9255 gyro data to roll pitch?

So I have -32768 to +32768 coming out from MPU9255 (gx,gy,gz) which is converted to 0-250 dps(degrees per second) using 131 which is Gyro's sensitivity. My question would be how do you use this data ...
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1answer
1k views

Servo coupler size needed

Hey all I would like to know what type of coupler I would need for this type of servo? The specs are: I'm guessing that the 25T means it has 25 teeth in the part that holds the adapters? So I would ...
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1answer
74 views

How to work with arduino softwareserial communication?

This is my first project using Bluetooth module HC-05. I am using two of these modules. One is connected to an Arduino Nano(slave) and another one is connected to an Arduino Uno(master). I have paired ...
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1answer
4k views

How to create push and pull mechanism using Servo [closed]

How do I create a push and pull mechanism using a standard hobby servo? Eg. SG-5010 Preferably without the need of 3D printing.
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1answer
173 views

Control method of large linear actuator [closed]

I have a Large linear actuator from Hiwin, the serial number is LAS3-1-1-500-24GE. the data sheet for the LAS3 can be seen on page 18 of the following link: http://www.hiwin.com/pdf/linear_actuators....
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2answers
961 views

How can i connect two adafruit 16-channel 12-bit PWM/Servo Driver I2C interface (pac9685) to Raspberry or Arduino

I need to control 24 servos but I do not know how to do with I2C. I saw some componentes that do it with USB, but I need to do it with I2c. I am working in a robot with 8 legs and 3 degree of freedom ...
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1answer
58 views

Area of Study for Advanced Robotics Work [closed]

I have known for a while now that robotics is something I am very passionate about. Im beginning my studies now in university and am trying to decide between the best major to prepare me for advanced ...
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1answer
765 views

How to remove sound comming from servo motor?

When ever i move the servo motors from the arduino, it produces sound. I don't want the servos to make this sound. How can i remove this sound. As i think this sound must be coming from the gears used ...
2
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1answer
2k views

how to move my robot to the assigned coordinates

I am working on an ground surveillance robot using an Arduino mega for programming, am using components like the HMC5883L compass, Adafruit GPS for assigning of coordinates (latitude and longitude) ...
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1answer
127 views

Recreating Roomba behavior in a spherical robot

Disclaimer: I am a beginner, both to this forum and to robotics. I work in IT, and the guys in my department have decided we would like to build a robot for the office, as a sort of hobby/team-...

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