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.

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1answer
8k views

How to read data from i2c using i2cget?

I'm new to embedded devices and am trying to understand how to use i2cget (or the entire I2C protocol really). I'm using an accelerometer MMA8452, and the datasheet says the Slave Address is 0x1D (if ...
1
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1answer
135 views

Need specifications to operate this stepper motor with RPi or Arduino

Here is the disassembled stepper motor that I'm working with: Contains the photo of the motor, and the label that's on the bottom of the motor. I need to identify this stepper motor that was ...
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1answer
128 views

Power issues involving Raspberry Pi

I have a Raspberry Pi (Model B) attached to a Roomba. I'm using this part to bring the unregulated 17V+ power of the Roomba down the 5V/1A of the Pi. The problem is that the Pi will randomly reboot ...
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2answers
774 views

Raspberry Pi for two wheel robot?

I want to create a two wheel remote controlled robot. I have worked out a lot of the logic with regards to balancing. I have started to read up on motor control and arduino vs beagleboard black vs ...
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3answers
2k views

Any image transfer protocol for wireless serial transfer?

I want to send image over wireless serial communication. I am planning to capture images using either raspberry pi or stm32 mcu using DCMI and then transfer image using wireless serial communication ...
2
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1answer
1k views

Help sending serial command to Roomba

I have a Raspberry Pi hooked up to a Roomba 560's serial port. While going over the spec, I noticed movement controls weren't as simple as I expected. I can't send bytes larger than 255, but, ...
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3answers
2k views

System for determining occupied seats in an auditorium [closed]

I need an app that can do live monitoring of whether each seat in an auditorium is occupied, so visitors can load the app and see where to sit. The auditorium has a relatively flat ceiling 4m ...
7
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1answer
3k views

Unwanted Arduino reconnect: Servo + Arduino + Python (Raspberry Pi)

I am having difficulty sustaining a connection between my Raspberry Pi (Model B running Raspbian) and my Arduino (Uno) while sending signals from the Raspberry Pi to a continuously rotating servo (...
2
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1answer
329 views

Flipping an old manual switch (physical one) [duplicate]

I Have an old audio amplifier that has those switches to turn it on. I'm looking for the simplest motor/robotic arm (or any other relevant component) to control this switch - eventually via Raspberry ...
8
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3answers
342 views

Making a tiny robot by using a remote brain

I'd like to build a robot as small as possible and with as few "delicate" parts as possible (the bots will be bashing into each other). I was wondering if it was possible to use a small chip that ...
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2answers
129 views

What micro controller should I use? [closed]

I am planning on building a robot with wheels (later legs, if possible), that can move around the room and analyze certain things, using a couple sensors. In the later steps more functions such a ...
11
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3answers
1k views

My Raspberry Pi is losing power in a surge

I have an RC car. The battery provides power to the ESC and then the ESC provides 6 V back out to the receiver. Instead of the receiver I have a Raspberry Pi, which uses the 6 V, steps it down to 5 V ...
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1answer
171 views

Roboticize an old netbook? [closed]

I have an old beat-up netbook that is currently collecting dust. I've also only taken stuff apart, without having to worry about putting it back together, so please bear with my possibly stupid ...
3
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2answers
979 views

Depth map with Raspberry Pi

Is it possible to get two images from the Raspberry Pi camera mounted on a remote controlled bot and have them sent to a computer through Wi-Fi and process the images in the computer to generate a ...
0
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2answers
2k views

Need suggestions for object recognition

I am tasked with creating a system that will recognize fish pulled out of a lake. The system should be able to identify the type of species of fish. Typically, I turn to Arduino for projects like this....
3
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1answer
802 views

Digital servo shaking

i need your advice if someone experienced something similar. I try using digital servo but when i tried to connect it to board by this tutorial https://blogs.oracle.com/hinkmond/entry/...
2
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1answer
1k views

Controlling a conveyor belt with a time based motor

I have some crude time based motors taken from a robot arm that we upgraded to proper servos. I want to be able to power a conveyor belt with one of them and I was wondering how I would go about the ...
0
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1answer
867 views

How do you dim 12 volt LEDs? [closed]

I was considering using a Raspberry Pi controlling a USB Relay to dim 12V LED lights, but I'm having trouble finding a solution that isn't a simple ON/OFF. What type of device would I need for ...
0
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0answers
45 views

Pros/Cons of common robotics “kits” at the high school level [duplicate]

I am interested in starting a robotics club at my high school next year, since we don't have one, and I want to know what the pros/cons are of common kits. I already have a Vex kit since my uncle is ...
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0answers
31 views

How would I go about interfacing the raspberry pi and arduino? [duplicate]

I want to do a project where I control motors, and the arduino seems ideal for that. However, I'm going to need to do quite a bit of processing on the back end first. Connecting the arduino to a ...
3
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1answer
641 views

Is a Raspberry Pi processor powerful enough for a mobile chatbot?

In general, is a Raspberry Pi processor powerful enough for a mobile chatbot? I want to make a small mobile robot that is like a chatbot. Is a Raspberry Pi processor powerful enough for any type of AI ...
17
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4answers
9k views

Single camera vision and mapping system

Some time ago I saw a demo of a small 'toy tank' with a single camera mounted on it. This tank was able to drive around the floor and detect objects and then move/steer to avoid them. The interesting ...
5
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1answer
11k views

Send Arduino sensor data to server with GPRS shield

I'm trying to send Arduino sensor data to a server using a GPRS shield (SIM900 shield from Geeetech). I have this particular set up because the data will be updated to a website and the device will be ...
2
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1answer
536 views

How to connect an infrared remote control to PC or Arduino or Raspberry Pi?

I bought my kid a robotics kit with several motors and an infrared remote control (you can steer the robot using IR remote control). Now I want to take it to the next level and control the robots ...
4
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2answers
1k views

Can I use the RaspberryPi to receive the GameCube remote's RF signals?

I have an old gamecube that doesn't work and I want to gut it and fill it with Arduino boards and/or Raspberry Pi if necessary. I want the project to eventually have some kind of AI aspect, but I'm ...
6
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1answer
2k views

Python libraries for image processing and feedback control on raspberry pi

I'm building a motion detection and object recognition camera with feedback control for a hexy robot. Fortunately most of the servo control is handled by the analog servo controls and the high-level ...
5
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2answers
2k views

Arduino Nano + Raspberry Pi = UAV Ground Station?

I'm a programmer by trade, and an amateur aerospace nut, with some degree-level training in both fields. I'm working on a UAV project, and while the good people over at DIY Drones have been very ...
11
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3answers
840 views

Raspberry Pi operating system for robotics

Is there an operating system for the Raspberry Pi that is specifically made for running robotics applications? Or an operating system whose purpose is to optimized just to run a few specific programs? ...
7
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3answers
562 views

Including a RaspberryPi within a robot… Does this allow for a “universal API”?

I know this is a broad statement, but when you've got support for both TCP as well as a full fledged computer on board (to integrate/run an arduino), does this essentially allow for anything that ...
28
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12answers
14k views

Can ROS run on a Raspberry Pi?

Can ROS run on a Raspberry Pi? ROS is resigned to run on a network of machines, with different machines, even different cores on the same machine doing different jobs. Can one of those machines be a ...
0
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7answers
2k views

Good Microcontrollers/SOCs for a Robotics Project [closed]

I am looking for a starting point for my project, preferably using popular systems (ones there is a lot of support for). I have an Arduino Uno, a Raspberry Pi, and a lot of willpower :) Anyone here ...

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