Let's Make Robots!

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Buzzes around by manual remote control
Using a
My very first encounter with electronics - a very simple manually controlled robot. The main brain controlling it is a Attiny2313 + a motor driver board based on … Read more
Add 10-bit incremental / absolute encoder feedback to your hobby servo.
Modified continuous-rotation servos are used extensively by roboticists due to their small form-factor, enclosed motor-gearbox, ease of mounting and … Read more
When I joined LMR I had just written my first picaxe program.The picaxe was easy to learn since I knew basic and the manuals gave you all the information you … Read more
Hi, This is my first post to this forum, maybe time to let you see my robotic project. Five months ago i planned to make a two wheeled balancing platform. I wanted … Read more
Write on the pavement at high speed!
Using a
Speed writter races around with a spring loaded piece of jumbo chalk writting words. Using a hacked "Rebound" RC car for the body and an Arduino Nano for the … Read more
Hi guys, this is my next robot. He is very easy. I control him with "radio control". He receives two servos modiefied for continuos rotation and one jockey … Read more
making Rover using Faulhaber 24V BLDC and ATxmega128/256. Wireless Communication using xbee. Main host CPU running windows 7 with custom developing application in … Read more
  This is my first completed robot hence the name JR-1.  I used 1/4 inch melamine for the body and bick pen sections and bolts for the risers. The motos are … Read more
Drives around blind at the moment
Using a
Well, here's the post about my first robot. It's not yet finished... so bear with me as I iron out all the bugs. I purchased an RC Jeep at Walgreen's (US drugstore) … Read more
Here goes 812-R8. I really wanted to get something posted as this bot has been sitting here for almost a week now. More details and photos will be added later … Read more
Hey guys, Figured I'd share some of my more recent work; Dragoon. This is an RX-64 based quadruped robot using an ArbotiX Robocontroller and the new & … Read more
Howto make sound without any sound transducer using only the DC motors of your robot.
Description: I  am just start to play around with the new Arduino Tone library, when I realize that I have no sound transducer laying around here. Than I remember … Read more

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Recently collected


I thought it was time to tell a little about the application I'm working on these days. Though very far from finished, it's starting to look like something bit by … Read more
Navigate around using Object detection and Distance Detection
Meet Sparky (Assistive Companion) currently sparky has the ability to find his way around objects and navigate through rooms. Every move that sparky makes is saved … Read more
  i did not want to use the normal methods of a balcing robot.... so i just but a big hunk a metal under the axle. bot demensions 43x43x82 brain: … Read more
just another light seeking robot  41mm wheel base  iphone for size comparison 14cm x 8cm x 7cm   parts list 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.

Hello, my first post and first attempt at a robot. I visited the Manchester (UK) Mini Maker Faire recently and saw some biped robots and I decided that I just had … Read more