use this tag for questions about robotics.
0
votes
2answers
51 views
Using same pins number in different arduino?
I'm new beginner in programming arduino, and I want ask a question about arduino code, this is the problem " i used two arduino to build a robot, but i don't know how to set the code that for two ...
0
votes
2answers
69 views
Servo/Motor for barrier gate [closed]
I am working on a small project that will need to check for proper UPC's then if validated, lift a barrier gate to move along cardboard boxes. The Arduino comes in with the gate lifting. I have this ...
2
votes
1answer
135 views
LiPo batteries with L298N controller
I built an avoidance detector robot from this kit.
When I drove the robot, the two motors performed unequally, so I tested replacing the four x 1.5 AA battery pack with a 9 volts battery. It did the ...
-1
votes
2answers
44 views
The best signal source for a path-finding robot
Newbe question - I'm thinking of creating a simple robot that heads to a signal source.
Ie, when you press a button on some remote control - the robot will head towards its source.
What would be the ...
1
vote
1answer
137 views
MPU6050 Measure distance traveled or position
How can I use MPU-6050 with an arduino to measure the distance the robot traveled from it's starting point or just it's current position on the map?
The Robot should be moving in a map same as a 2D ...
0
votes
2answers
106 views
What power supply should I use?
I am building a robotic arm using 8 servo motors. I am wondering about what voltage my external power will need to be to control all of them at 6v. I am wanting to use a rechargeable battery.
3
votes
2answers
87 views
Absolute noob looking for troubleshooting help
My 10-year-old son went to a "Robotics Camp" and came home with a non-functional Arduino robot. I figured it shouldn't be too much trouble to get it working. He swears he had it operating at the camp, ...
0
votes
1answer
34 views
Start to build a robot
I would like to start with a very simple robot, which should be based on an arduino uno.
I already have an uno and made the decision fpr my robot chassie:
https://www.roboter-bausatz.de/en/diy-...
0
votes
1answer
42 views
Should I control each of the four robot wheel separately or wire two from each side together?
I am making a remote controlled Arduino robot. I has 4 DC motors for wheels. I have 2 motor drivers available that control two dc motors each. I was wondering what the downsides are of wiring 2 dc ...
2
votes
2answers
143 views
Precise rotation (steering direction to a given angle) on obstacle avoidance robot
Forgive my lack of knowledge of some robotic related terms, but the way my two wheel drive robot steers is simply by having each wheel move at different speeds; for left, for example, the left wheel ...
0
votes
1answer
87 views
Programming Problem with a hand gesture controlled robot; the analogwrite() function doesn't work
So I recently tried to make a hand gesture controlled robot but ran into some programming error. Here are the specs:
For the transmitter module, I used the following:
*Arduino Nano 3.0 as the ...
0
votes
1answer
112 views
Ethernet Controlled Arduino Arm
Good day, I am currently attempting to write code that will allow a user to connect to an Arduino Mega via ip address and control a robotic arm on the X and Y axis as well as open and close the claw. ...
2
votes
0answers
793 views
How can I control 4 DC motors with an Arduino?
In a few months, I am planning to construct an Arduino robot with multiple sensors etc. I will use an arduino mega and a 4wd chassis like the one here: Chassis. The chassis uses 4 DC motors. I was ...
0
votes
1answer
48 views
how do I power my motor shield without an arduino uno?
I want to power my motor shield without my UNO. I have connected the +ve and -ve terminals resulting in lighting up of the LED.
Is there any way to control the motors in this arrangement from the ...
1
vote
1answer
76 views
Controlling 2 DC Motors with L293D and 6 V battery pack?
Sorry if my question looks newbie, but I'm just starting to delve into robotics and electronics, and my first project was building a small arduino collision-avoidance robot with a ultrasonic range ...
-1
votes
1answer
44 views
Uploading codes [closed]
Can I upload code for line follower,sonar,bluetooth together on arduino uno r3? I want to fit all these parts together in one chessis.I will separate them using switch.
-1
votes
3answers
125 views
Low current in a motor used in a line following robot
I'm trying to make a line following robot for my students, the problem is that I have not done any calculations (I don't know how).
The motor can't move the robot unless I connect it directly to the ...
-2
votes
1answer
70 views
all in one Arduino robot [closed]
Can I make all in one arduino robot? Example - line follower, bluetooth control, sonar sensor,dtmf in one arduino robot just switch to any mode without change the parts.
1
vote
1answer
267 views
Is Arduino reliable for serious tasks, such as medical machines?
I'm just getting started with Arduino, and it has a LOT of uses, however, I would like to know how reliable is it? Can it be used for medical purposes (Measure vital signs, or to help surgeons perform ...
-1
votes
1answer
3k views
Tower Pro MG996R 180° high torque servo controlling using Arduino
We are trying to control a robotic arm using the Tower Pro MG 996R 180° high torque servo.
Firstly we tried to power the servo from Arduino's default 5V, but it didn't work, then we power it from an ...
0
votes
2answers
163 views
PID tuning help
I'm currently working on a self-balancing robot with an Arduino Uno and a 10DOF ADXL345 sensor. Everything is going fine until I got to this PID tuning part. I've read about it several times but I'm ...
0
votes
1answer
57 views
Send analog value over IR?
for my rc robot I want to use ir to send/receive the value from a jostick.
Is it possible ? I can't use any other radio chip like nrf24l01.
1
vote
1answer
46 views
How to make two wheels turn only for a particular amount of time?
I am trying to make a robot turn (dc motors are being used) back 180 degrees. So I used an l289n for it and made one wheel turn clockwise and vice-versa.
But as I wan't it to make only a 180 degrees ...
0
votes
1answer
60 views
Details on OV7670
I am thinking of working on a project based on a camera module OV7670. I am making a security system using an arduino where detected motion (I am also using a PIR sensor) will trigger the camera ...
0
votes
2answers
44 views
Functions of GSM
I am currently working on an arduino project and wanted to use a GSM module. This is my first time working with a GSM module. So I had a few queries.
What can a GSM module sim900a do with arduino ...
2
votes
2answers
123 views
Unsure about how the code works for this Make-It Robotics kit
I have been using a Make-It Robotics kit, that I picked up from a RadioShack that was closing, to learn more about Arduino, C, etc. After building the line-following robot and downloading the correct ...
-3
votes
2answers
78 views
Suggest me some good seller for Arduino UNO [closed]
I want to start a new project with arduino uno and want to make some amazing mini projects, but i am confused that from where should i buy. So please suggest me some affordable robotic stores.
0
votes
2answers
173 views
What is the best arduino board for a robotic arm?
In my university we need to buy arduino boards and kits to build a moving robotic arm, that moves up and down and clockwise in a specific degree (almost like humans's).
So, what's the most suitable ...
1
vote
2answers
284 views
Linear actuator jitters/vibrates when getting PWM from Arduino Mega 2560 through JKR 21v3 motor controller
I recently bought this linear actuator and motor controller from Pololu:
Linear actuator
Motor Controller JRK21v3
There are several steps that I have to follow in order to set this thing up before I ...
0
votes
1answer
37 views
How to switch program in arduino using android app?
I have 2 programs made for my arduino.The first one is for solving a maze automatically and the second one is for controlling the robot with a android app.I wanted to control the robot with the app I ...
0
votes
1answer
141 views
Help with arduino car project
So in computer engineering I've got to make a arduino based car, I've added a whole bunch of features such as IR tracking, obstacle avoidance(proximity sensor), optical tracking(follow a black line), ...
-1
votes
1answer
387 views
Advanced Line Follower robot
I know about line follower mainly the grid solving robots i know the basics actually. Actually they have to trace the path of the grid in an arena and then reach back to starting point in a shortest ...
1
vote
2answers
134 views
What type of sensor could I use to determine the mass of a small object (under 1 kg)?
I'm building a robot that needs to pick up a piece of material and then determine its mass. My robot will retrieve the material using a scoop at the ended of a mechanized arm. Once the material is in ...
1
vote
2answers
1k views
How to read RC receiver channels without using pulsein() command with arduino
I am building a quad-copter, the problem is of stability and for better stability lesser sampling time is required. For lesser sampling time I need to have faster loop() function. But the Pulsein() ...
1
vote
0answers
41 views
Serial print and sensor readings halts
I'm trying to write a state machine for my robot.
While the robot is moving around I would like to read the values of the sensors, but after some time the reading stops working.
For the first half ...
0
votes
2answers
287 views
Dagu Mini Driver Board Issues
I have the Dagu Mini Driver board which is based on the atmega8 and I uploaded the code here. It uploaded perfectly and I wired 4x AA pack to the battery terminals making sure to observe polarity.
I ...
-1
votes
1answer
19 views
arduino uno com12
In Arduino Uno, com12 board, already Bluetooth code is installed or not?
I am doing the project based on robot using Arduino.
I uploaded already one code, it is wrong and I want to upload another ...
0
votes
4answers
140 views
Multi-threaded Robot
I am working on a small robot project, the code which i made for this has a sequential execution in a single thread. There are a lot of Delay() function needed. Due to which the accuracy is extremely ...
1
vote
2answers
265 views
How do I make/get a odometer for a lunch box sized robot?
Say I have given the robot a map of the place, it needs to navigate it. I need a odometer to keep track of its current position in the map. I need it to be precise up to a cm.
Can I simply use the ...
0
votes
2answers
266 views
Servo Speed Control
I work in a robot using arduino, and i have a few questions:
It is possible to increase the speed of a servo, for example a parallax?
It is possible to measure the current that pass through a servo?
1
vote
0answers
412 views
How to reverse BLDC motor using programming arduino?
I bought ESC from here but it rotates motor in one direction only.
Is there any program which will control direction of rotation clockwise or anticlockwise with same wire configuration.
0
votes
1answer
241 views
Error in code saying “expected primary expression before ”<“ token” and other errors
I am Creating a laptop controlled robot using an arduino nano using the instructbles. I have tried running the code but it is throwing back lots off error and the main one is "expected primary ...
0
votes
1answer
67 views
What is the best way to make a good but simple line follower? [closed]
I am new in this site, and like you can see I want to do a line follower, not a clumsy and slow line follower, but a fast and "fancy".
I investigated about the PID method, but can someone explain me ...
0
votes
2answers
322 views
Beginner Arduino Project: Drumming Robot
So, I've got a music degree, 5 years programming with Ruby and 7 with Pure Data. I've also got hold of an Arduino and a Raspberry Pi.
Anyway, I've seen a number of Arduino projects which involve ...
2
votes
1answer
439 views
How to convert a String number Into a int value?
I want to convert a string into a int value. in my real code, I receive a string "Slider 255" the number after slider changes from 0 to 255, so I want a int value to be equal to that number. This is a ...
0
votes
2answers
155 views
Disassembling a RC car for a Arduino Robot
I am looking at making an Arduino robot car. I have a RC car( photos below). I was wondering if I could take the chassis of the car and modify it to make it Arduino controlled, if so how could I do ...
0
votes
1answer
67 views
Arduino Robot Chasis [closed]
I am looking into building a robot with my Arduino Nano but I don't want to shell out more then 50 bucks. Does anyone have any suggestions for a four wheel robot chassis at this price that I could use ...
1
vote
3answers
119 views
How to control Arduino robot wirelessly?
I have a few potentiometers connected to analog inputs in an Arduino UNO. These are then processed and then the servo motors start moving to move the bot.
I would like to keep the motors with the uno ...
2
votes
1answer
180 views
Line Follow Vehicle
I know this is very common project and it's already been done, however, most of the guides don't have a clear instruction, and being this inexperienced, I struggle to understand exactly what's going ...
0
votes
1answer
31 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 ...