Questions tagged [microcontroller]

A small computer on a single integrated circuit containing a processor core, memory, and programmable input/output peripherals.

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7
votes
5answers
526 views

Arduino Motor control

I'm working on a rather low budget project, and need some way to control four or more motors using one Arduino. I've looked at motor shields a little, but I have a shield on top of it already, It does ...
3
votes
2answers
540 views

Simple Neural Network with hardcoded positions for walk optimisation

I'm building a quadrupedal robot that will learn how to walk. From the responses I got from asking if its possible to run a NN on a micro controller I realised I needed to think of a clever system ...
13
votes
3answers
3k views

Inter-processor communication for robotic arm

I'm building a hobby 6-DOF robotic arm and am wondering what the best way is to communicate between the processors (3-4 AVRs, 18 inches max separation). I'd like to have the control loop run on the ...
2
votes
1answer
76 views

Good method for building a pan and tilt controller?

Have you ever seen one those video games that has headset/goggles you stand in and look around the virtual scene with? I'm building one of those, and I'm trying to design a simple controller. I need ...
10
votes
3answers
2k views

Quadruped Learning Simulator

I'm currently building a robot with four legs (quadruped), 3 DOF (Degrees of Freedom) and Its been suggested here that I use a simulator to do the learning on a computer and then upload the algorithms ...
24
votes
4answers
26k views

Is it possible to run a neural network on a microcontroller

Could you implement a simple neural network on a microprocessor such as the Arduino Uno to be used in machine learning?
6
votes
3answers
2k views

Questions about quadcopter and radio controller

I have not bought any parts yet, but I am making my own quadcopter. I have done the research and know all about the parts that I need, but many guides are sponsored and cost thousand(s) of euros/...
7
votes
5answers
5k views

Learning Algorithms for Walking Quadruped

I'm building a 4 legged robot (quadruped) with 3 Degrees of freedom per leg. The goal of my project is to make this robot able to learn how to walk. What learning algorithms will I need to implement ...
8
votes
5answers
4k views

How to calculate serial speed and buffer requirements for PC to microcontroller communications?

A common scenario is to have a PC that sends commands to a microcontroller via RS232. My PC program is sending commands (each of which are composed of multiple bytes) as fast as it can to a small ...
12
votes
5answers
2k views

Starting out advice on making robots and tinkering with microcontrollers [closed]

I'd like to start making robots and tinkering with microcontrollers. Where do I start, and what do I need? I'd like to make my own robots. I'm comfortable with programming (assembly and C) so I've ...
12
votes
4answers
10k views

Fixed point arithmetic on microcontrollers

Often we use microcontrollers to do things in our robots, but need to make some calculations in decimal. Using floating point variables is very slow, because a software floating point library is ...
2
votes
3answers
782 views

Connecting two microcontrollers using I2C [closed]

I Have an ATmega16 mc which is master on the i2c and a ATMega8 mc which is slave on the i2c. I have connected the two mcs' sda and scl ports to each other alongside a pullup resistor. Now I want to ...
5
votes
3answers
3k views

How to manage interrupts on an AVR?

I have a number of interrupt service routines on an AVR. These include interrupts for USART serial communication, timers, and SPI communication. For all of these, I use circular queues (using a start ...
-6
votes
2answers
138 views

Developing for 8-bit AVR-s, what are the current, open and free libraries out there? [closed]

I would be very interested to ask for a list of repos of free open code, applicable to 8-bit avr-s and having relation to robotics - object avoidance, process controllers, battery management, etc. ...
0
votes
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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