Let's Make Robots!
Drive around, avoid obstacles and beeps with R2D2 sound when facing an obstacle
Using a
UPDATE MARCH 18 2014: Well, it's been silent in that project since it was finished. Now, after EL2ISA2 broke down because of a leaking battery he was waiting to be … Read more
Travel in pockets, live on desks, play snooker once in awhile
Using a
UPDATE: Nov. 30th, 2012: Progress report with pics, no new vids.   Read more
Did you ever copy & paste your source-code from your IDE or editor into an LMR article    and found out that all syntax highlighting and formatting is … Read more
Anyone that has played with these little workhorses of our world and wondered how they work, read on. The standard three terminal regulators like the 7805(5v) are … Read more
For the sake of it, I wanted to see if I could make a really simple biped - and this is what I came up with :) I thought it was really fun to do, much more than … Read more
A comparison between Kalman and Complementary filter
Using a
The use of accelerometer and gyroscope to build little robots, such as the self-balancing, requires a math filter in order to merge the signals returned by the … Read more
How to use timer and interrupts on Arduino boards.
    Update 07/24/2013 04/24/2013 Example 3 has been updated to work with Arduino v1.x.Added ArduinoTimer101.zip examples source code for Arduino v1.x .    Read more
some formulas to help in the motor choice
  One of the problem building a robot is the choice of motors. I'm speaking about a mobile robot with wheel. So, I'm not speaking about legs or others geometries. Read more
Improves the obstacle recognation of Sharp IR distance sensors
Sharp IR distance sensors are very often used in robotics. But I always found it annoying, that they do not recognize very small objects, chair legs or even walls … Read more
Uses 3,5mm jack to transfer signals on a rotating axis.
First thing first. This is just a quick and dirty attempt to improve the 360 degree sonar idea. I have seen some of the designs at LMR with a 3,5mm jack plug and … Read more