Let's Make Robots!

Tips & walkthroughs

***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
Teaches an old clock a new trick
Anyone ever try to modify one of those cheap battery operated analog clock mechanisms as gear train?  It would make an extremely lightweight gearbox for small bot. … 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
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
gives an input when it is touched
first, you need a clotheshanger, a pair of pliers, some epoxy, and a leaf-spring switch see pic 1 for materials. chop a fair bit off of the coathanger with the … Read more
My mom really looked up to my electronic Wiz and said: Build me an automatic trash can.  So I started planning. You can also build this as i show you how to cause … Read more
This is a quick and dirty guide on how to prepare your photos for use on LMR. Good photos are easier to look at (duh), hold the readers interest longer, and … Read more
Use an LED + digital input as light detector
This walkthrough describes how to use an LED connected directly to a digital input as a light sensor instead of using an analog input and an amplifying … Read more
Generate a 500Hz dual channel PWM using a picaxe 08M
  If you've ever tried to get speed control using a picaxe 08M connected to a L293D, like on the picaxe 08M motor driver board, the first thing you'd notice would … Read more
Using the Wii Remote IR camera directly with an Arduino
Using a
The Wii Remote became a very intersting tool for hacking and other uses where it not has been mentioned for. After the first hacks appears in the internet a lot of … Read more
It is possible to build ir distance sensor from 38kHz sensor. You need the sensor and IR led. Sensor's output goes to input pin and IR led's one leg goes to output … Read more
Making gearbox out of random plastic gears and small motor.
How to make gearboxes out of random plastic gears:  This tutorial shows how to make simple and small plastic gearbox with gear ratio about 1:100. Ratio can vary. … 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
It allows a temporary electrical mount for the srf005
Hi. This is an idea for mounting the SRF05 on a servo for use in all those great projects that are on the go. The main advantages to this are: it's simple, cheap … Read more
Alright, everyone starts somewhere and its always helpful to be told something that actually makes sense. this doesnt have and sensors however its intention is … Read more

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Servo becomes a geared dc motor
Just finished another walkthrough about hacking a HiTec servo and make it spin continuosly. Follow it on flickr: … Read more
Simple way of correcting a very anoying problem
  If you ever made a tracked robot you most likely had this problem: my robot wont go in a strait line !!!! what can i do ? Well ... there is a simple solution and … 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
Prototyping board for PICAXE 28 AXE020
Using a
As a user of both PICAXE and Arduino micros, one of the things I like about the Arduino system is the "shields". T Shields are stackable add-on boards for the … Read more