Let's Make Robots!

Tips & walkthroughs

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
When Flexed or Squashed alters its Resistance
 Here are some ideas on how to make Resistance/Force Sensors - I thought them up while ago to use as antenne - Insect Feeler like sensors. (sticking out of 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
Use an Arduino GPS Shield to Fix position,altitutude,time,date........
Using a
GPS:- The Complete Guide to Global Positioning Systems. Blogged Here :- Guide to Global Positioning Systems.   Check also:- Fundamentals of a GPS guided vehicle … 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 a walkthrough on how to make a simple IR controller. It is relatively cheap and easy to make. Programming is simple since the picaxe basic already has … 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
Did you know you can make your own custom characters for a picaxe LCD display? You can make up to 8 different custom characters using the cgram wizard under the … Read more
Updated with Bonus tip! You can "easily" hook up some cheap UHF / FM whatever units to make 2 MCU's talk wireless by serial. But you need to learn some stuff, this is what I learned :)
Since I discovered this: http://letsmakerobots.com/node/5916  all has changed! I was blind, but now I can see. And I can program! On Picaxe, in order to send … Read more