Let's Make Robots!

Most Collected: Tip/walkthrough

Shows the relationship between wheel angle and speed of robot.
When I posted my Omnibot page, I said I'd make a video attempting to make some of the counter intuitive math easier to understand. The attached video is my first … Read more
Hello Folks. I want to share with all what happened to me, why I was being wrong and what I learned:   The preface: I'm making a police-style led flasher for an RC … Read more
Organizes those resistors! And caps, and diodes...
Keep your resistors in business card holders! Make a big book O resistors!   I also organized my electrolytic caps   Read more
For object avoidance, the ultrasonic or the ir range finders do not always see and object and i often notice my robot running into things and getting stuck. I … 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
How to make PolyMorph screws
This Workshop shows how to fabricate screws using PolyMorph.(recommended supplier) Non stream link :- PolyMorph Workshop  4  - PolyMorph screws I needed to make … Read more
Control a Servo with a Ping Sensor in about 5 minutes
Using a
When I did the Web Clicker, I picked up a copy of ViewPort for debugging and it was a lifesaver.  ViewPort was designed by Hanno Sander.  He also developed an … Read more
Update 26/04/2009 I have added a video to show the picaxe modifying the servo signal based on the output from a Maxbotix EZ0 (EZ1 version here at LMR). The … Read more
changes pins, very fast
I tested the difference in speed between the Arduino digitalWrite() function, and other methods of direct port manipulation. The results are surprising, check it … Read more
Build real-world embedded solutions get and learn how to use a +40 I/O (16 PWM's) microcontroller board for $12, lab-based course.
Using a
Do you want to learn real robotics from inside?  UPDATE 25-May-2014: videos about servo control by potentiometer and automated successfully! Read more
ER900TRS: An extremely smart little module. You just give it some volts, and a serial string, and it transmits it over air to another ER900TRS. This one can be … Read more
***This post started as a poke at rik and his lack of ability to cut brass tube. As it seems people have gotten something from it. Here is a nice, nifty and proper … Read more
I just noticed that a servo and a SRF05 range finder's trigger might be able to share an output pin on Picaxe 28x1 (should work on other models too). It should be … Read more
Provides encoder measurements to a geared motor
Recently I hacked some servos for fun. While I had the servos open and had removed all the electronics, it occurred to me that there was a lot of space in there … Read more