Let's Make Robots!

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wrench_orange.png Your work in progress or a finished robot: Robot project
script_edit.png Write in your own blog: Blog entry
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
link.png Add a good web shop, a guide or a cool link: Web link
I thought it was time to do something with legs. While roaming the store I found jumbo wooden sticks and for some twisted reason I thought I should use them to … Read more
Just completed the Tamiya "Remote Control Robot Construction Set (Crawler Type)" kit, which you can find … Read more
Avoid object via ultrasound, indicate turn-direction with two LEDs, turn on its "head lights" when it enters a dark area, (Possibly RC/autonomous in the future)
Using a
This is my first robot (actually I made one a few weeks ago that was not so good...just so I could see something moving--instead of just lighting up LEDs and such). … Read more
Pushes Opponent out of the ring
Using a
My second scratch built robot.  I wanted to try and build a functional sumobot and this is what I came up with.  Its not the most complicated or finally … Read more
So after trying my hand at putting together some kits and getting my feet wet I decided to build my very own robot from scratch, Snails. Read more
This is one of my small projects, started from a couple of things lying around. The motors are from a couple of battery powered tooth brushes and the base is from a … Read more
Actually I only made this one partly; LMR member Karol asked me to fix an atempt gone wrong. So All I did here was to take someone elses messed up robot apart, make … Read more
Lights up three LED's
This is my version of the breadboard walkthrough by Jklug80. Thanks for the intructions jklug. Anyway, I decided to add two more LED's and I used 510ohm resistors … Read more
Scripted driving for testing and finetuning motor control
Using a
This is my supposed entry for the 2010 DTU Robocup challenge. The body is made from LEGO Technic bricks from the Robotics Invention System (the old MINDSTORMS set) … Read more
tells you how to adjust the picaxe programming editor to a picaxe 28x1
 in 7 easy steps!   this is made to help all the newbies who come to this site and jump into the "start here"project.    -and by doung that, hopefully makes … Read more
Hello all,  YAYDM, Yet another Yellow Drum Machine! I have gone away from the original a little bit, my one uses the Tamyia dual gear box and tracks, everything … Read more
How to program a trusty PICAXE while running Ubuntu (or most Linux distributions)
Well, a small comment in the shoutbox caused several of my LMR buddies to download Ubuntu. Good choice, I like it! Here's a walkthrough to programming a PICAXE in … Read more
this was my first robot. though it was a kit and i didnt have to create chassis myself, it taught me a lot. after finishing the book and the exercises in it i … Read more
touch sensor with colour changing LED
These whisker/antenna sensors work like normal touch sensors but change colour when they touch something. The first video is my original prototype using a single … Read more

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Recently collected


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
This is a little board I made in anticipation of Mr. Bdk6's toolchain for the LPC1114. BdkdevThis toolchain is amazing.  Really, if you are wanting to break away … Read more

Use an Arduino to get to the Moon

So, this whole Maker movement has got you excited, and the rocket you are building in your backyard is nearing completion.  But you haven't decided on a navigation computer yet.  You were thinking of using a laptop, but your daughter needs it for school.  Maybe a Beaglebone Black.  Darn!  Seems they are sold out everywhere.  You look around your lab, but all you can find is an Arduino. At first you pass right over it.  But when you can't find anything else, you start to wonder, "Could it get me to the moon?"

ComMotion Shield for omni and mecanum wheel robots

After building my first omni wheel robot I realized how difficult it can be to monitor 4 encoders and drive 4 motors so I designed the ComMotion shield. As the name suggest the shield is designed for motion control but as I ended up with 2 spare serial ports I decided to add communications abilities to the shield hence the name ComMotion.

What every robot builder needs to know about

It is probably safe to say that every member of LMR is interested in machines that interact with their environment.  Interacting with the environment means getting information from it to provide feedback to the machine.  In the  electronics and computer worlds, "information" means "signals."  And since most of our robots use digital signals, whether with discrete logic chips or some sort of computer, and our machines need to do some sort of processing on those signals, we all need to be familiar with Digital Signal Processing (DSP). One note before we go on.

Makes a loud, piercing noise!
If anyone would like a look, I've posted a 3D printed loud noisemaker on Instructables and Thingiverse -  The Orange Screamer -  which is proving to be rather … Read more