Let's Make Robots!
Here's a simple analog pressure sensor I read about years ago in "Robot Builders Bonanza".  It's not an accurate pressure sensor since it's affected by … Read more
LED matrix wall is suddenly very hot recently. I also make one for fun. It can be used as a speech synthesis talking face, message display board, a Internet … Read more
saves versions of files during dev process of code
Source control is an important part of development, whether it be for a website, a major application, or robot instructions/thoughts because you never know what you … Read more
Ever wanted to know if your battery has just the right voltage to run your robot. Sometimes I stick a battery in a robot and it just limps over. I figures that the … Read more
Materials: 1 picaxe 28x2 servos hooked up to 6 & 7 on the board1 laserpen hooked up to 0 on the boardHow to: Download the attached programEnter your text in it … Read more
Description An H-bridge circuit typically provides motor control in robotic designs. Low voltage, low amperage control signals (TTL) are used to control motors. … Read more
Navigates around in its target enviroment using three i.r. sensors and one ultrasonic rangefinder
Hi guys I have noticed the need here of an arduino start here robot.  Therefore I present to you Bob V.2 from the instructables website!!! For those asking why not … Read more
Learn the terminology, and which package to choose for your needs.
     If you've ever had to use any kind of IC, chances are you've heard of quite a few package types. IC packages are split into two main groups, through-hole, … Read more
it comes with the AXE020, but for those that dont have it... Read more
On old trick to get more power out of your cheaper motors
Here's an old trick, but it it's good. if you have a setup with a (cheap) motor, and you'd like a little more juice out of it.. get some of them strong magnets, … Read more
Anyway guys I was looking at other people's projects here on the site and I ended up clicking a link a link to trossenrobotics.com. After clicking around for a bit … Read more
UPDATE: I decided to remove the H-Bridge part, now the motors are directly connected to the AA batteries, and the Arduino is connected to the 9V battery. This … Read more
Made a robot with 2 wheels, and need a "coaster", half a tennis ball or something? This must be the best sollution!
I admit I have not tried this, but it just struck me: You know the kind of robot.. well - like the "start here-project"; You have 2 wheels, and perhaps you need … Read more
This is a nice little hack I discovered that allows you to use LEDs on your Picaxe-28 robot without taking up any other pins.   Read more
*********************************************************************************************** update 26/4/09 … Read more
How to find documentation for your Picaxe products.
I think Picaxe is a great product. But somebody should kick their web department. Sometimes people buy a Picaxe product in another shop, and do not get the manual … Read more
Make a robot sense stuff in dark or light conditions.. guided by visible light
Update: I am tired of it being named "FritsLDR", I cannot post to people "Try using FritsLDR", it is just too self centered. And I would just love to see some more … Read more
Sometimes you want something extra in your servo and you have to build one for the purpose
(If Google video is down, video is here) I like servos! However, sometimes you want what a servo does, but you need one that is special: Very strong, very fast, … Read more