This site no longer includes robotics in its topics. See the robotics stackexchange instead.
0
votes
2answers
67 views
Behavior Based Robotic
I was reading this book which talks about behavior base robotics. Since it uses IC for programming at some point it uses a function called startprocess(). After looking through the web I could not ...
0
votes
1answer
89 views
Using Arduino, how can I dynamically change signal input from one pin to another?
Background
I am building a multirotor project similar to this one I built a few months ago. This particular multirotor will be geared for flying FPV (First Person View) which means that I will ...
1
vote
3answers
81 views
Iphone wireless communication without Wifi? [closed]
I am working on a robot that I would like to control using an Iphone app that I am creating. The problem I'm facing is that the robot will be operating in areas where there will most likely be no ...
1
vote
1answer
118 views
How to make a circuit to run DFRobot with a Netduino
So I ordered a DF Robot kit and got some help to put it together.
I want to control the wheels with my netduino.
What I want to do is simple. Press the netduino's button, and start the 4 wheels in ...
2
votes
1answer
164 views
Waterproof sonar?
I'm building sensors for an underwater robot and was wondering if it's possible to waterproof ultrasonic range finders like this one to work underwater. I have made waterproof enclosures before. ...
-1
votes
3answers
260 views
Controlling Microcontroller using Visual C# [closed]
I'm building an ROV which I will program normally with C but I want to control the microcontroller from a PC using a program written in C#. So for the ROV, the microcontroller will be controlling it ...
3
votes
1answer
169 views
Replacing a Wired Controller with an Arduino Uno: Relay Alternative
So, I have a simple robotic arm that has a wire controller you plugin into it. The controller has 8 pins. I haven't played with it too much but I know that the far ends are power sources and the ...
1
vote
0answers
199 views
Raspberry Pi vs Arduino ADK (with phone tethering)
I was doing some research for my capstone project next year. Basically it is an autonomous rover, designed to scout out outdoor areas and send back video/pictures to a website.
So far, our initial ...
2
votes
1answer
112 views
Winch or regular servo
I am trying to build a robotic arm and for the base I need a servo with a lot of torque. After browsing through hobbyking's servo selections I noticed that winch servos offer a higher torque for ...
5
votes
1answer
88 views
Powering sub-sytems on a robot with a single battery
I am making a robot for a project, and have a quick question about the power system for my robot. I have to power an AVR MCU (5V), 6 servos (also 5V), 4 dc motors (12V), and a camera (9V). I really ...
0
votes
2answers
201 views
PIC18 Robot - Travelling exact distance straight using two wheel encoders problems
(EDIT: Added TMR0 & TMR1 set-up code)
I have a small robot vehicle controlled by a PIC18f4585. It has two wheels (ball bearing on the front) as well as two rotary encoders. The following ...
-1
votes
3answers
172 views
Information delivery through zigbee
I am doing a project in which i have to measure the voltages of a given terminal and send it to other distant system through zigbee. My work plan is like this: I will use an arduino board and measure ...
14
votes
8answers
847 views
Microcontroller/cpu for fast trigonometry in robot?
This concerns hardware that does weighs little, because a (fat cat sized, 6 legs with 3 DOF) walking robot should carry it around. Because of that walking it'll need to do a lot of trigonometry (using ...
4
votes
2answers
209 views
Communicating via USART with an AVR - Input Buffer?
I am currently building a robot (as some of you may know from my previous questions). The current task I a dealing with is that of communication. To keep things simple, assume I have 5 commands to ...
2
votes
2answers
86 views
Wireless communication with robot
I am making a simple robot, and am using a relatively cheap RF transmitter and receiver to send commands to my robot. Essentially, the transmitter end would send data from an AVR MCU via its UART to ...
-2
votes
1answer
90 views
TI ARM with stacked RAM
Do any of the TI ARM SOCs, e.g. OMAP or Da Vinci, have a version with stacked RAM? (e.g. DDR2 or mDDR) For miniature robots, it would be really nice to not need to spend board area on an external RAM ...
-2
votes
1answer
232 views
How can an experieced programmer get into embedded programming and robotics [duplicate]
Possible Duplicate:
How to become an embedded software developer?
I would like to know what is the best method to begin learning embedded programming and electronic skills? I am already ...
1
vote
1answer
538 views
Selecting a GPS module for a mobile robot [closed]
I need a GPS module to include in my quad-copter for providing GPS based navigation. I found there are many GPS modules available, and there are different kind of information available in their specs. ...
3
votes
2answers
95 views
Inspection/QA Criteria for Selling Electronics?
I'm a software developer who has recently taken up a penchant for home electronics and personal robotics. I'd like to start building a prototype for a small device that I would sell though a website, ...
-1
votes
1answer
281 views
Speaking words with Pololu 3pi Robot [closed]
At each instersection I play different music for the compass direction the robot decided to go. Any ideas how to get the robot to speak the words "West", "East", "South", "North"?
...
1
vote
1answer
558 views
How to calculate the range of a RC transmitter
When searching for a transmitter for a RC application in most of the cases they don't provide anything about the range of the module. Just power and the frequency.
The Tx power must relate to the ...
0
votes
1answer
395 views
Test ESC using a Servo Tester
I'm trying to test my 20A Hobbywing skywalker ESC.
For that I bought this servo tester from ebay
I'm a bit confused about the servo tester input. Shouldn't it be just supply power? Then what is ...
3
votes
2answers
313 views
Electronically controlled pneumatic lift, or something similar
Need to be able to firmly lift about 110Lbs (~50Kgs) weight, through a distance of upto 12 inches. The weight can be considered to be a flat & square wooden board, hinged to a flat platform, with ...
0
votes
3answers
149 views
robots communicating with each other [closed]
Is there any possible way of designing robots that can communicate with each other? As in, one of the robot can be programmed to act as a master, while the other robot, situated somewhere else, can be ...
1
vote
2answers
817 views
How do I calculate how long my robot's battery will last?
I am building a robot with multiple types of sensors, 2 motors for locomotion, and 2 motors to control a robotic arm. I am using a variety of color, IR, tilt sensors and such.
How would I factor in ...
4
votes
1answer
764 views
How to use an ESC
I'm new to RC related modules. Today I got my Hobbywing's Skywalker 20A brushless esc.
Manual is here.
I also have a brushless outrunner motor (HL3512)
I ...
4
votes
0answers
828 views
Affordable stereo vision camera for industrial applications? [closed]
I am looking for the best value stereo camera for use in an agricultural vision control application. Since all the vendors do their damnest to hide the cost of their equipment, it's proving to be ...
1
vote
1answer
145 views
Building block components for robot sensors and controllers
I'm planning on building a robot using Microchip PIC 16-bit MCUs, which I'm familiar with, and for which I have supporting hardware (demo boards, programmer, debugger, etc). After spending hours ...
5
votes
1answer
150 views
Indoors-vs-outdoors sensor
What a near-perfect-accuracy yet dirt-cheap way for a drone or other miniature embedded computer to sense whether it's indoors vs outdoors? Some ideas:
Geo position sensor if small, low power, and ...
1
vote
1answer
94 views
navigating every spot of a room [closed]
I want to build a robot that will navigate over every spot it can in a room. But i thought some kind of a laser to map the room would be best or maybe a ultra sonic sensor. Could anyone guide me in a ...
1
vote
2answers
4k views
How to have an Arduino wait until it receives data over serial?
So I've wired up a little robot with a sound shield and some sensors. I'm trying to write a sketch that will let check the sensors.
What I'd like for it to do is print out a little menu over serial, ...
1
vote
0answers
55 views
Looking to source some rotary phone dials [closed]
I recently built a small robot that uses a rotary phone dial to program it in. For example, you dial in 1-1-2-0, the robot goes forwards, goes forwards, then goes reverse. The '0' means execute ...
1
vote
1answer
349 views
How to determine velocity profile for two stepper motor in robot driving
A robot has 2 parallel driving wheel. I don't know the friction of the ground surface. However, I can set the acceleration, starting velocity, ending velocity. The velocity profile has to be ...
1
vote
1answer
89 views
Is it possible to use USB port with a transmitter to control a robot
I have a project in mind that works as a robot accepting input from the computer through a male connector.
I have seen the circuits that use a wire system to connect to the robot. But is there any ...
2
votes
4answers
222 views
What's a fun electronics related gift for 2012? [closed]
My cousin's 19-year old son has a birthday coming up and he is quite intelligent with computers, software and electronics. What's a fun / serious electronics-related gift I could buy him? Anything ...
4
votes
2answers
665 views
How is this motor on a Romotive controlled?
I have bought a Romo Robot by Romotive. Unfortunately I'm having some technical issues(it does not work, at all) with it so I decided to explore the PCB a bit and see what its made of.
I understand ...
0
votes
2answers
391 views
Wiring a capacitive touch sensor to the Arduino?
I have just recently bought a few different ic's from Mouser.com, not thinking i never even looked to see if i could use them. I Wound up getting a few Azoteq IQS128 capacitive touch sensors, but I ...
7
votes
13answers
2k views
What can I use to detect pinpoint location (inches) outdoors?
I am getting back in to EE after some time so please excuse my ignorance. I am looking for a way to detect pinpoint location outdoors to navigate a robot for a project with my sons.
Is there a low ...
1
vote
2answers
621 views
DIY Servo arm using wrong inverse kinematics doesn't make a straight line
I have built a Servo-Arms with HS-422 servo (super simple basic servo motors found in a starter kit) that gets angle values with inverse kinematics in Processing (java).
The inverse kinematic (on ...
1
vote
3answers
2k views
Is Wifi With Arduino Fast Enough to Control a Vehicle?
I'm building a simple motorized vehicle that I wish to make autonomous through the use of neural networks. I am using Arduino as I am new to electronics but more experienced in programming. I'm sure ...
3
votes
3answers
530 views
tiny RC receiver for bristlebot?
I made a small bristlebot. my version can turn left and right using two vibrators and is controlled by an ATTiny uC. I would like to add remote control functionality so i'm asking what's the simplest ...
2
votes
2answers
2k views
Multiple Ultrasonic Rangefinder Question
I've been doing some research on ultrasonic range finders as sensors for robotics. I've seen them being attached to servos and pivoted to effectively "look" in front of the robot and make sure the ...
1
vote
0answers
54 views
Recommendations for Mobile Robotics Platform [closed]
Can anyone recommend a simple mobile robotics platform for testing vision based sensor processing?
I'm looking for a basic two-wheeled platform, with a monocular webcam, and enough on-board ...
2
votes
3answers
452 views
Motor controller software design
I have to design a PID controller for a differential drive robot.
The hardware board consists of a AVR atmega168 running at 16mhz.
Driven by two 24v scooter motors with 256 CPR encoders
The motors ...
-1
votes
2answers
813 views
Radio triangulation on millimeter scale plausible?
(For this question, let's throw away the skepticism of what's possible or practical today and instead focus on what's plausible in the future. This is all theoretical, but here's the idea:)
We'd like ...
1
vote
1answer
327 views
Distance range of a Color Sensor?
I would like to know what is the usual range of a color sensor ? Can it detect a light source from a few meters away ?
for example, if I want to use a color sensor to detect a particular LED 1 meter ...
1
vote
2answers
7k views
Motor control with an Arduino UNO… Is it possible (and safe)?
I have an Arduino UNO and an inexpensive RC jeep with a functional DC motor and front-wheel turning servo, but I don't have an Ardumoto shield to control it (yet).
I'd really like to learn if it's ...
0
votes
1answer
734 views
how do i drive the h bridge to control a motor?
I am using the ZXMHC3F381N8 MOSFET H-Bridge to drive a motor forwards and backwards. I am using a PIC16F1946. The H bridge is connected to PORTE of the PIC. This is the code I am using to set up the ...
0
votes
2answers
374 views
LiPo 3S 11.1V Power Regulator
I'm currently working on a small hobby robot, where I want to use a FEZ Panda II along with a RX433 to remote control it. My power source is a Turnigy 3000mAh 3S 20C Lipo which gives me 11.1V to work ...
10
votes
2answers
745 views
PID algorithm implementation using computer vision
I am constructing an automatic labyrinth maze solver, and using a webcam to control my maze.
Based on suggestions in other forums, I am trying to control maze's ball movement at least in one ...