Let's Make Robots!

 

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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
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
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
communicate data to your microcontroller unit via your pc
Hello guys, this is a simple walkthrough that lets you understand how to do BASIC communication between your PC and your MCU (for now it's only from PC to MCU, … Read more
Portable, store-able, fences for robots
So I got sick of finding books, empty cases of beer and various planks of crap to use to keep bots from running into furniture and the like. I though for a while … Read more
Want to see what's going on? Even with "history" and zoom? Make a simple cable, download a free program and..
Aparently there are some problems with the images in this one. Since the images are not THAT important for you to get the point, I take the liberty to just direct … Read more
Teaches you how to connect a Wii Nunchuck to Arduino
You may be asking to yourself, “Why would I want to connect my Wii Nunchuck to my Arduino board?” Good question. By attaching a Wii Nunchuck to your Arduino … Read more
This is imo a great way to help ppl who are new to electronics understand some of the basics of circuits.
 http://en.wikipedia.org/wiki/Hydraulic_analogy Being a helicopter mech and have years of exp in troubleshooting hydraulics I found this simple explanation of … Read more
Mecanum wheels are hot, smart for robots, cool.. But impossible to get hold of, unless you want to spend USD 2-300. So why not just make your own?
Update: Here is how to make them really fast & stable.. but project will go no further, omni has arrived I got really pi**ed off by the fact that it was hard … Read more