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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 ...
2
votes
2answers
159 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 ...
2
votes
1answer
274 views
What type of connector to use for pressure contact?
I'm designing a robot gripper that needs to pickup an electronic device (the size of half a laptop) and move it around. The problem is that when the device gets picked up, I need to establish a USB ...
2
votes
2answers
73 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
2answers
514 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 ...
2
votes
3answers
281 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
2
votes
1answer
81 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 ...
2
votes
3answers
437 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
vote
3answers
231 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 ...
1
vote
3answers
1k 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 ...
1
vote
2answers
6k 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 ...
1
vote
2answers
532 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 ...
1
vote
1answer
422 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. ...
1
vote
2answers
542 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 ...
1
vote
2answers
3k 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
5answers
255 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
308 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 ...
1
vote
2answers
539 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
133 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 ...
1
vote
1answer
253 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
237 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
405 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 ...
1
vote
1answer
766 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 ...
1
vote
1answer
189 views
To receive data wirelessly by 3pi robot
I want to interface a cc2500 module with the 3pi robot...How do i do that...I just have the cc2500 module(the one here)
I want my 3pi to move accordingly to the instruction given by another ...
1
vote
1answer
90 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
1answer
84 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 ...
1
vote
1answer
238 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
216 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 ...
1
vote
1answer
280 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 ...
1
vote
1answer
206 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 ...
1
vote
1answer
81 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
vote
0answers
115 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 ...
1
vote
0answers
52 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
0answers
52 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 ...
1
vote
1answer
291 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 ...
0
votes
6answers
2k 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 ...
0
votes
3answers
140 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 ...
0
votes
1answer
667 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
1answer
289 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 ...
0
votes
2answers
340 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 ...
0
votes
1answer
192 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 ...
0
votes
1answer
161 views
Robotics custom search engine
I made a google custom search engine:
robot cse. Any sites I should add to the list.
http://forum.microchip.com/
http://www.avrfreaks.net
http://www.societyofrobots.com/robotforum/
0
votes
2answers
344 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 ...
0
votes
2answers
177 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 ...
0
votes
1answer
202 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 ...
0
votes
0answers
95 views
arduino and the rc car [closed]
I am trying to build a chassis for my robot, so I chose the base of a RC car. I took out its receiver board and replaced it with an arduino board to control its motors (steering and rear motors) but ...
-1
votes
2answers
699 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
votes
3answers
135 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 ...
-1
votes
1answer
231 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
votes
3answers
139 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 ...
