Let's Make Robots!
just walks at the moment avoiding objects
Using a
My first attempt at a robot and will not be my last. Why didnt anyone tell me it is this much fun ? Read more
Recreates some nostalgia before you play that GTA5 thingie
Update 1: I had refrained myself for almost a fortnight now - not to post this video. In exchange for a better quality video in daylight but simply don't seem to … Read more
Calculates the distance and reports to an LCD
Using a
Hello LMRians, After finishing as runner-ups in the line following section of the Yantra 2.0 Robotics Competition, the organizers provided the team  a Roboduino, … Read more

Accurate distance sensor

Hello!

Total newbie with regards to robotos, but fascinated by the topic. I'm working on a hobby project, which is not really a robot, but I need "robot" components. I'm searching for an accurate distance sensor, capable of sensing distance between 0 and 5 cm (could also between 1 and 6, for instance), with accuracy around 0,1mm. I see some of you are using Sharp distance sensor GP2Y0A02YK0F and similar, but I have not found what is the accuracy of those sensors, so I don't know if it would be appropriate.

LV-MaxSonar Sensor Questions

Hello,

This is my first post here at LMR. I decided to write out a question in the format of a blog. Since I've had some trouble getting my head around this issue and I found limited resources regarding this special device on the Internet. Creating a blog post might help other people with similar questions as me. 

Your basic "classic" Herbie the Photovore junkbot mouse-bot. Nothing too new on my version, except perhaps for the use of old bass guitar strings (two of them) and … Read more
Navigates around using IR, beeps, plays noises, flashes the led
Using a
My first robot is done (for now!) :) It's based on the 'start here' robot, but I kept the darlington driver, did not use a servo, added speaker and led and wrote … Read more

Five free Insect Bot Mini kits

This is a free (well, it does not cost money) giveaway of 5 Insect Bot Mini kits.

 

All 5 kits are gone now, please do not request anymore but you still can comment :-)

 

I'm back guys. This here was intended to draw graphs of equations, but for the sake of ease i made it to just draw, Or may be write(Provided you can control it). If … Read more
The MSP430 is a 16 bit microcontroller line designed and produced by Texas Instruments for low power applications. A few years ago texas instruments released the … Read more
Roam with eventual RC overide control
Using a
  I am new here and this is my second robot using a microprocessor. Electrinics in no problem for me but programming is new to me. I can see this bot will be alot … Read more

quad encoder read speed

This is as much a programming problem as it is a mechanical issue I guess.
A few of us are working with quad encoders at the moment and I'm just wondering about ideas how to overcome a problem I've encountered using some.
I'm using interrupt on change to count encoder ticks and also reading a 16 bit timer for the interval between ticks on each motor.

SR-624 BlackwidowBlackwidow is a sumo robot that I have built for the Louisiana Tech University's annual IEEE Robotic Sumo t Read more