Let's Make Robots!

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comments.png Discussions and questions: Forum topic
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lightbulb.png Help others with what you have learned: Tip or walk through
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Look maaa', no tools! :D Well, that's not entirely true, but it isn't far off. I have constructed this robot with a minimum of tools (and materials) , for the … Read more
UPDATED and FINISHED* on May 3rd, 2014 *With 'finished' meaning that I built what I had envisioned, then played around with it and learned stuff, and then took it … Read more
UPDATED and STOPPED* on September 4th 2014 With "stopped" meaning that I didn't finish the project. I'm pretty OCD about either finishing things or just deleting … Read more
Hardware all works, so now concentrating on software stack. First project on LMR. Software written in python, using pyro RPC to comumicate between components. Two … Read more
Filters (smooths) sensor or other data
This morning I was browsing LMR and ran across this post from janson .  In it he creates an averaging filter.  An averaging filter is a simple filter for … Read more
This is a Tracking system using an FPGA altera IV chip set. FPGA := Field Programmable Gate Array To explain a long chain of events that led to this … Read more
This is a robot that I built for the Trinity College Fire Fighting Contest. The contest is held each year around April 1st in Hartford Ct USA. The goal is to … Read more
This tutorial is still under contruction so please check weekly for updates. I have taken it out of "Draft Mode" because it has a lot of useful information for … Read more
Drives around like it owns the place
A few years ago I made a robot which I called Gumpy to explore the capabilities of the Arduino microcontroller with applications to robotics. Gumpy 2 is … Read more
For better readability I have attached a pdf, which explains how linear regression is used for supervised machine learning. In this paper I also derived the general … Read more
Carry Tools and Laptop to free human hands.
Using a
  COMPLETED: 2011.12.08 This is my first robot built from scratch and I am new to robotics. I haven't played with electronics for over 25 years and I have a … Read more
Some years ago I made this software oscilloscope and shared it on this site. Then a couple of years passed without me logging on, and in the meantime the link to … Read more
Hi!! I made  telepresence robot. Device was mounted on the robot:LIVA(small windows PC),Arduino Development language:Processing 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