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1
vote
0answers
35 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
81 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
37 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
140 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
262 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
1answer
90 views

Robot programming using Microc in pic 16f877a

I am making a robot that moves in a circle with two wheels, each wheel move using a DC motor with 12 volts. I want a relation between the circle and the voltage that is produced by Pulse Width ...
0
votes
0answers
88 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 ...
5
votes
12answers
317 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
191 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
1answer
326 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 ...
2
votes
3answers
227 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
275 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
35 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
1answer
113 views

robot indoor location and docking [closed]

I have a project that involves a robot on wheels and a docking station responsible for charging the robot and downloading/uploading data. The robot is completely autonomous and is able to find its way ...
2
votes
3answers
323 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 ...
-2
votes
2answers
276 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
84 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
1k 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
378 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 ...
1
vote
2answers
151 views

Any idea to disable/mal-function electronic circuit, micro-controller etc. remotely? [closed]

I need this idea to deploy it in my Robot for a RoboWar competition. And, area of arena is not big as robots involved must be table-top having dimension less than 1 meter cube. So, I need little ...
0
votes
0answers
68 views

Brushless DC motors [closed]

I am looking for some 600 watt BLDC motors and an associated controller. Anyone have a good source? The cheaper the better obviously. Trying to build a medium sized rover(openrover.com) similar to ...
0
votes
2answers
217 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 ...
8
votes
2answers
427 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 ...
1
vote
2answers
291 views

Driving servo motor using open cv

I'm working on a object detection robot project.I'm using open cv software to detect objects. My question is how can i take open cv outputs(x-y coordinates) to servo motor.and how can i interface ...
0
votes
1answer
142 views

What is the most hackable Roomba?

I gotta get a Roomba because the dog hair builds up faster than I can get to vacuum it but I also want to make a beer bot that can go and fetch beer from the kegorator. Seems the Roomba is the perfect ...
2
votes
5answers
446 views

Is Arduino suitable to begin with robotics? [closed]

I am trying to make a start in Robotics and my guess is that Arduino platform might be a good platform because of its programming interface and also its scalability due to different shields available ...
0
votes
6answers
616 views

Rotary encoders to ensure 2 wheel robot goes straight!

I have successfully counted the rotary encoders on the wheel of my robot so this is not a problem. My problem is what to do with this number. Basically, the bigger problem is that I need my robot to ...
5
votes
1answer
125 views

Drive 4 DC motors off a dual drive motor controller

I'd like to build a 4-wheel skid steer robot. I have selected this motor and this motor controller. The motor controller can handle a 10A draw and has the ability to operate over serial TTL and give ...
1
vote
2answers
184 views

Electrified Vertical mounted rotary joint questions

Hey all, continuing my PhotoBioReactor project. :) Need some assistance determining not only what kind of rotary slip ring I need to use but where to get it as well. Basic overview: I plan on ...
1
vote
2answers
310 views

Need oscillating servo/stepper motor guidance

EDIT: Additional Information below original post... Looking for a 360 degree servo motor that has adjustable control for timing of steps (or at the least timing per full oscillation) and can support ...
0
votes
2answers
192 views

Powering a Servo: Do I need a separate power source?

I have a project that utilizes two strong digital, coreless servo motors. Whenever I use DC motors, I usually need to have separate power sources for both the microcontroller and the motors (due to ...
6
votes
2answers
310 views

Join two pipes with independent rotation?

I'm planning to build a table tennis robot using an Arduino controller for the location/placement logistics and control, but I'm stuck on one physical detail and don't know where else to ask. I want ...
1
vote
1answer
194 views

Roomba Connector

I am getting started with robotics and would like to start with some roomba programming. I come from a programmer background so I thought that would be a good starting point and since I already owned ...
1
vote
1answer
161 views

Pointers to Beginners (Robotics as Hobby)

I am interested in taking up robotics as a hobby. I am somewhat familiar with programming (not very advanced) and would like to get some pointers to recommended books / robotic kits that will help me ...
0
votes
1answer
249 views

Simple Robotics to do with teenagers

I am trying to get a robotics club started in my school. But I am wondering if I started what could I get the kids to make. They would be aged between 14-18, some with electronics knowledge. So I need ...
1
vote
2answers
375 views

Underwater Distance Sensing

I'm looking to measure distances from a submersed robotics project in the range of 1 to 20 feet (around there at least). However, the only options I seem to come across are rather heavy sonar modules ...
3
votes
3answers
600 views

Which servo motors for a precise but not powerful robotic arm?

I've just got into electronics with an Arduino explorer kit from Oomlout and I have learned a lot about electronics so far, but now I want to start my first proper project. A robotic arm. It should ...
2
votes
1answer
167 views

Can I purchase an MIT 6.270 kit anywhere? If not are there alternatives?

When I was in High School I used to work with the MIT 6.270 Robotics Kits in a Robotics class I both took and then later was a TA for. I loved those kits, they had an embedded controller you could ...
1
vote
5answers
218 views

Best Electronics and Robotics Resources for a Novice

I know guys hanging around here are quite experienced in electronics and robotics. But I am rather new to this area. I have only A/L physics knowledge in electronics. But I am working as a software ...
1
vote
1answer
367 views

How do i navigate RC car with a gps module on it from point A to point B?

I want to navigate the RC car from point A to point B. The gps module is used to find the current location coordinates i.e point A. The user enters the point B coordinates based on point A. I am ...
2
votes
2answers
110 views

Where can I find good examples of analog insect-like robots?

Years ago, I saw a program on TV about this guy who spent his free time building analog robots that looked and behaved very much like insects. I've been trying, without success, to find that or ...
0
votes
1answer
132 views

Robot grip hand for the disabled

I am looking to build a small grip arm for the disabled. My goal is to attach this robotic hand to an arm of a person. This robotic hand is used to open medicine bottles (like those you get when ...
2
votes
3answers
218 views

How to learn BEAM robotics?

Old Topic: Can I make robot only circuit without microcontroller? What knowledge should I know, where can I get it? UPDATE: How to learn BEAM robotics
0
votes
2answers
154 views

Getting started with robotics

My brother is a senior in High School. When he visited our college. I've took him to a robotics event (inter college robotics competition). He got to see various bots designed by college students and ...
3
votes
1answer
244 views

Can i use ATmega8L instead of ATmega8?

I am recently doing a project on robotics.And am following (societyofrobots) 50$ robot tutorial for that purpose.But i can't find ATmega8 chip anywhere as they told but i did found atmega8L ...
1
vote
1answer
200 views

Humax ND 1000 C set top box

I have an old settop box, model - humax nd 1000c. I no longer use it for my TV since the city I've moved to doesnt have the relevant service provider (afaik). I want to try and hack into the box to ...
6
votes
9answers
256 views

Robotics Events

I'll be putting on a robotics competition in a month, and would love to see a list of different sorts of events I might be able to run. What are the types of competitions you are aware of, at all ...
4
votes
2answers
221 views

Builiding a catapult that runs continuously with a motor

I need some ideas for designing a catapult that runs on a motor. Basic requirements: able to launch a cookie 30m, capable of continuous operation, fits within a 0.4 m × 0.6 m × 0.4 m high box, ...
3
votes
2answers
215 views

How would I make an IR beacon system

I'd like to make a beacon system for robots where the beacon will have some IR LEDs around it pulsing at some known frequency. The module that hooks up to the robot will have a few IR ...
1
vote
1answer
170 views

Interfacing Vernier equipment and microcontrollers

I am the president of my high school's robotics club. We own several VeX robot kits which we have been using for a few years now. The physics department also owns several Vernier LabPro sonic ...

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