Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [raspberry-pi]

The Raspberry Pi is a credit-card sized general purpose computer. Questions about Raspberry Pi but not related to robotics are off-topic, but may be asked on Raspberry Pi Stack Exchange.

0
votes
0answers
6 views

Using buzzer for custom output on the Turtlebot3

Does anyone know if it's possible to use the built in buzzer on the OpenCR board from the RaspberryPI? I am writing Python code in ROS packages and it would be nice to get some audio feedback when ...
0
votes
0answers
18 views

LQR Controller in Raspberry Pi C++ [closed]

I am a newbie in Raspberry Pi and I don't know anything about Ubuntu, or ARM, etc. so please be patient in answering me and please, please guide me step by step. But I know how to run codes in C++ ...
0
votes
1answer
44 views

Raspberry Pi Robot Car won't drive straight, right wheel is faster [duplicate]

My Raspberry Pi car bot will not drive straight at all. After examining and listening to the two motors, I noticed that the right wheel is a lot faster. I have matching wheels and the same code ...
0
votes
0answers
13 views

ROS - Use Ubuntu Xenial Packages on Raspbian

I've got a Turtlebot3 and installed Raspbian Stretch on the Raspbery Pi, which is on the robot. For that I used the preconfigured image and the tutorial from Robotis. I followed the tutorial and got ...
2
votes
0answers
31 views

How rational is it to use Intel Realsense for my affordable indoor autonomous robot?

Right now, I am using ESP32 for the motors and planning to add either Raspberry Pi Zero or ARM Cortex-M4 (STM32) and use ROS with Intel RealSense RGBD camera. How sensible is it? I am not expert in ...
2
votes
1answer
42 views

Inductive Charging for Alphabot [closed]

I am looking into building a self-docking robot that can charge itself when needed. To accelerate the prototyping phase, I am considering AlphaBot2 with Raspberry Pi 3 B+ as a development platform. I ...
0
votes
2answers
97 views

How to move a Stepper Motor to a desired angle with raspberry pi?

I will be using stepper motor in 6 DOF robotic arm along with Servo motors. Unlike Servo motor ,I find difficult to control Stepper motor. I was earlier using only Servo Motors but due to lack of ...
-1
votes
1answer
96 views

controlling 6-axis robotic arm with raspberry pi, what instructions can do this?

I have been trying to build a robotic arm using a PCA9685 servo controller, a 6-axis robotic arm, and a raspberry pi model b+. I wired them all together accordingly but I have no idea how to actually ...
0
votes
0answers
27 views

Pi and Arduino interface

I have tested arduino code for 17 DOF humanoid robot and it's working fine. But Now I want it such that whenever my bot(also equipped with raspberry pi 3 and a camera module) detects a chair or ...
2
votes
1answer
98 views

IRobot 690 - raw wheel encoder counts change with no movement command issued

I am using a Raspberry Pi 3, B+ pertinent libraries are WiringPi, with WiringSerial. Code is written in c. EDIT: the Serial connection is handled through GPIO 14(Tx) & 15(Rx), 5v (Tx) is stepped ...
0
votes
2answers
56 views

using motor controllers with Raspberry instead of Arduno. Is it just me or is everyone ok with bad sofftware support?

I bought a Roboclaw controller. Since then, have looked around for other. The software support seems to be the same (to me:sad) state. They all seem to provide Arduino code examples, however, then I ...
0
votes
1answer
69 views

raspberry pi operating a unipolar stepper motor with a L293D IC

I need some help with a project where I am trying to operate a unipolar stepper motor with a raspberry pi's using the 4 GPIO pins and using a L293D IC as an amp to get it to the operating 12V of the ...
4
votes
2answers
165 views

Radio triangulation with Raspberry Pi

Currently, I am thinking that since electromagnetic waves loose energy over distance, you might be able to figure out the relative distance to each of three radio "beacons" and use this information to ...
3
votes
2answers
219 views

Finding relative location of Raspberry Pi robot indoors

I would like to have a Raspberry Pi robot that can find its location in a room relative to an origin point. What methods would be cheapest? What would the most accurate be? Are there any others ...
1
vote
0answers
41 views

ROS: TurtleBot3 motors runs 60 seconds after message is seen in topic /cmd_vel

I am running ROS Kinetic, on a Turtlebot3 Burger with a Raspberry Pi3. The goal here is to remotely control the Turtlebot from another Raspberry Pi. The remote controller Pi sends movement ...
0
votes
0answers
197 views

Quadcopter flight controller alternatives

I've built my first Quadcopter following this instructable http://www.instructables.com/id/The-Pi-Quadcopter/ So like it says, the way I achieve communication with the drone is via an Android app, ...
0
votes
0answers
19 views

Designing systems for sharing resources on multiple SOC's

I have some Raspberry Pi's from previous projects/learning and I would like to pool their resources to make a differential drive robot. Two Pi's would have one camera each for a vision system, one ...
0
votes
1answer
37 views

What other equipment or hardwares I should buy along with raspberry pi [closed]

I am planning to build some primary level of project like home made robot, which I need to explore an image recognition and path recognition(using four wheels vehicle). So I am looking to buy a device ...
0
votes
2answers
44 views

Compatibility of my quadcopter build

I am building my first quadcopter and have multiple questions. I am using a Crius MWC Multiwii SE 2.6 flight controller which will get input from a Raspberry Pi Zero. I have this 4in1 ESC and this ...
0
votes
0answers
18 views

How to biuld rangefinders which can measure upto 2-3kms and have good fog performance in CAT II fog conditions of upto 800m-1km?

I am expecting to build a system which has good fog penetrability in a CAT II or CAT IIIb environments as per the guide lines of International Civil Aviation Organization (ICAO). The max distance that ...
0
votes
0answers
21 views

Communication between stm32f4 and rpi

I am performing a digital signal processing of the ECG signal in the DSP of an stm32f4 and I need to send the features extracted to a raspberry pi , what type of communication should I use . Having , ...
3
votes
1answer
135 views

How to handle power distribution on a robot?

Our team just finished the FRC competition and I am trying to learn more about robots in general. I'm trying build a robot in a similar setting than the FRC competition. However the RobotRIO is out of ...
1
vote
1answer
168 views

Adding ROS to Raspberry Pi car and teleoperation

I just completed a Raspberry Pi car setup shown in the image below. With my car now assembled, I can run a simple Python script put the necessary GPIO pins HIGH or LOW and moves the car around ...
1
vote
0answers
301 views

How can I send commands from raspberry pi model 3B to Seriously Pro 3 Flight controller? [duplicate]

I am trying to make a quadcopter that receives commands from my android mobile phone. I currently have the following: Raspberry Pi 3 Model B running on Raspbian. Pi Camera Seriously Pro F3 Flight ...
0
votes
1answer
65 views

hard realtime signal processing

I am going to realize a real time monitoring system for medical care and finally the system should make phone calls according to the severity of the result , I would like to know is it best to perform ...
2
votes
4answers
207 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.(...
1
vote
1answer
43 views

How can I run Tests/Simulations of Control and Motion Planning for a Bare Metal Robot?

I am using a raspberry pi to practice low level development with a differential drive robot; bare metal without an OS underneath. I've gotten to the point where I have a very small, single purpose ...
-1
votes
2answers
185 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 ...
0
votes
1answer
196 views

Can I use another GPIO pin on the Pi 3 as a RX UART?

I accidently plugged 5v in to the RX UART pin 15 on my Pi, now I'm unable to receive communication on this pin from my connected device. I was wondering if it's possible to use a different GPIO pin as ...
1
vote
0answers
159 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 ...
0
votes
1answer
64 views

How's robot vacuum cleaner back to charger when battery is low? [closed]

What's technology robot vacuum cleaner used to locate it's charger when battery is low ?
0
votes
1answer
274 views

Build a drone with a raspberry pi 2 as receiver for the CC3D-LibrePilot

I tried to get the yaw, roll, pitch and throttel integers from the pi to the CC3D with python and c++ as PWM signal over the GPIOs but the output didn't seem to be right or it was delayed. Could ...
0
votes
1answer
16 views

Raspberry PI with HKpilot32

I would like to connect my RP3 to the HKpilot. While most connections are pretty straightforward, I would like to know how ca I power the PI: It is stated in the above link that "The RPi can be ...
3
votes
2answers
207 views

How can I stream Kinect V2 tracking data from PC to Raspberry Pi 3 through WiFi?

I'm currently working with Kinect v2. I can do all sort of stuff on PC with it. What I want to do next is, to get the data I want on PC and control the Raspberry Pi with that data (for example, I will ...
2
votes
2answers
390 views

Nuc, custom pc or raspberry pi?

For our Minor “Robotics and Vision” we need to use ROS to create a system that can navigate to and from a coffee machine. The available hardware consists of a robotic platform from "Dr Robot", and a ...
1
vote
1answer
66 views

Daisy chaining resistors for an LED circuit

Please note: although this question involves a Raspberry Pi (hereafter RPi), it is really a pure robotics question at heart! I am trying to connect my RPi 1 Model A to a breadboard with a single, ...
1
vote
1answer
128 views

Any open source simulation software which is able to simulate robots and their movements?

I am searching for an open source simulation software which is able to simulate robots and their movements in a factory. I would like to send control signals and receive sensor data back. This ...
2
votes
1answer
117 views

Calculating the resistor for a buzzer

Please note: Although this question tangentially involves a Raspberry Pi, this is really more just a pure robotics question at heart. I'm trying to connect my Raspberry Pi 1 Model A to this buzzer. I'...
0
votes
0answers
607 views

Raspberry Pi and Naze32

Items: RaspberryPi 3. Naze32 rev6. 4 OPT ESC. I am connecting the FC (Naze32) to RaspberryPi by USB. Can I feed the FC + 4 ESC with that USB? Or should I add an additional battery? Thanks
2
votes
1answer
98 views

Raspberry Pi and Buzzers: Simple solution [duplicate]

I have a Raspberry Pi 1 Model A and am interested in attaching a buzzer to its GPIO pins so that the software (running on the pi) can turn the buzzer on/off by sending signals to the GPIO pins. I'm ...
1
vote
2answers
146 views

Fire Fighting robot searching for fire in arena algorithm

i am working on a firefighting robot and i am struggling to find a way to search all rooms in an arena like this i thought of using the Wall follower rule but it will miss a room , if i am ...
1
vote
2answers
79 views

Are robot's codes usually compiled or interpreted?

I would bet that usually these are compiled for better performance, and of lawful reasons (make it harder for any user to save code without decompiling), though I'm not sure. In any case, I believe ...
3
votes
2answers
678 views

ROS + SLAM + kinect. which platform to use?

I am doing a project where I've robot which will be using kinect + ROS for Simultaneous Localization and Mapping. Which board should I use? I've heard that Raspberry pi , beaglebone are not sufficient....
1
vote
0answers
106 views

How to make ROS enabled Quadrotor with raspberry pi? [closed]

I am working on a project "ROS enabled Quadcopter", and am using hector_quadrotor package. But I am facing problems in Flight controller. My world and quadcopter is running in gazebo but I don't ...
2
votes
1answer
3k views

Quadcopter controlled by Raspberry Pi

I have: Raspberry Pi 3. Pi camera. CC3D flight controller. I have already developed a Python script that decides whether the quadcopter dron has to turn left/right, move straight on or to stop. Is ...
0
votes
1answer
319 views

Programming Roomba other than Create 2 using RaspberryPi [duplicate]

Do other Roombas have an Open Interface like the Create2? Can I send commands to my 780 like the Create 2? I am trying to control my Roomba 780 I made a 8pin FDTI connector to USB and my roomba beep ...
2
votes
2answers
170 views

Localization within a map with gyro, accelerometer and magnetometer

My goal is to locate precision within a known map. If the size of the map is known, a rectangle 4 x 3 m, and I know the initial position and orientation of the robot, after a certain period of time ...
1
vote
0answers
48 views

Stepper Motor For “Cable Car” System

I am a programmer with a lot of experience in IoT but somewhat new to actuators and robotics. I would like to create a "Cable Car" which consists of two stepper motors and a pulley. The motors would ...
2
votes
0answers
170 views

Obstacle avoiding by Pi camera [closed]

I designed a mobile robot with my colleagues for our graduation project, the purpose of it is to detect mines (metals) in a specific area We are programming the robot using Python on Raspberry Pi 3 ...
3
votes
1answer
54 views

iRobot Create 2 -language set error type 2

I have an iRobot Create 2 and I am connected to it with the 7-pin connector to a desktop machine via USB. Serial communication is working fine under that configuration. I can tell it to restart with ...