Let's Make Robots!

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wrench_orange.png Your work in progress or a finished robot: Robot project
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comments.png Discussions and questions: Forum topic
brick.png Show what you are making robots of: Component
lightbulb.png Help others with what you have learned: Tip or walk through
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I made Miss Princess for my 4 year old niece. She's a lot more interested in Princesses than robots, so I called it Miss Princess to trick her :) There's a Battery … Read more
Updated on 2/15/09. I've added a couple new pictures. Its running, but not optimized. Testing will follow, then I'll post some navigation video's, etc.   This is … Read more
UPDATE 16th Feb 2010: File attachments First of all: Thanks to fritsl for the original YDM. That's (quite obviously) the source for my inspiration to start building … Read more
I just finished my the board for the Vulvan Five and had it sent away to get CNCed.  I have the capability to do homemade PCBs but this one was a little big.  So … Read more
Archos Intro: The Archos is basically an I-pod Touch on steroids. Given the fact that it can multi-task, use flash when surfing the web, and run on the Android OS, … Read more
Moves fast on hard snow and ice.
I couldnt help it, there was still snow.. i had a robot ready, just needs programming.. But every time I try to sit down at finish it, I make a new Trata. Since … Read more
navigate around and maybe do some mapping
Using a
For controller I'm using  a PIC18F4550 with MSHP Bootloader ( USB ), in a self made and obvious Arduino wanna be copy, I call it PICUino :D   For the motor … Read more
Hallo everybody, this is my first LMR entry (not the first robot I build) I made this delta robot over the weekend. About two week ago i saw a video of an … Read more
I called him "SEMI" because, he is semi-intelligent. He can comunicate with me, with graphic display, mobile phone. He circumventing obstacles, play music, … Read more
I might be breaking some LMR rules, but this robot was built on my spare time while funded by the University of Oslo  and my employer APPLY Sørco, covering the … Read more
When building stuff I often need some sort of bracket or other fixture involving sheet metal. Read more
  My first non-kit robot. Inspired a lot by the "Start here" robot on this site! Read more
2/11/10   - oops typo on the first post, its 3 IR's per side!!!     This is my Microrobot Robo-Lefter kit robot. Its a pretty good wall follower type maze … Read more
Hi guys, this is my current project, i thought the programming would be easy, but since i havent used my arduino for months, it's not going so well, lol. Well … Read more
walk around the house
Using a
Update (sort of): Today the guys from the mechanical engineering department told me that they are movinginside the building, which means the plotter cant be used … Read more

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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