Let's Make Robots!

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Navigate around via ultrasound
Using a
  This robot is based on the Parallax BoeBot.  The chasis is flipped upside down. The tracks the Tamiya Track kit. It uses the BoeBot IR sensors and a Sharp IR … Read more
Navigate around via ultrasound
Using a
This robot is made with parts from the lego NXT kit and some lego treads. The ultrasonic sensors are used to detect and avoide objects. To do list: Code the light … Read more
Simple Line follower, with additional ability to stop when objects are detected in front of it and turn around when the end of a line is detected.
Using a
I built this robot for a University course on C Programming, and later (after my assessment, although before the end of the course) added the tank tracks to replace … Read more
I´m at the moment working on this centipede. My plan is to putt a solar cell on it´s back and let it walk around and enjoy the summer.   Read more
The blue board is still really simple. It´s two H-bridges two bumper switches and a pic16F960. I´ll ad more to it when I get the right parts and ideas. Read more
Hi guys ! I'm working on a robot from plywood. He should the stairs up and down ride. He receives four strong (12kg/cm) servos modiefied for continuos rotation and … Read more
This is a "one day" project- simple robot with two whiskers, who can avoid obstacles. This one is built around motor driver IC L293D, and some transistors and … Read more
 Update: 26 June 2009  A bit of a hiatus Pager motors arrived from Solarbotics. Then thay sat on a co-workers desk for a week before he decided to tell me they … Read more
pick up, and move stuff
Using a
another small project i made.. thought i might aswell post it here too he got 6 DOF. enjoy the videos! :D Read more
THIS IS SIMPLE LINE FOLLOWER ROBOT.. WITHOUT USE OF ANY MICRO CONTROLERS OR PROCESSORS. ITS TOO EASY AND CHEAP TO MAKE AS IT DOES NOT CONTAIN ANY PROGRAMMING AND … Read more
Wander around avoiding objects in its path.
Using a
  Here is my Less-is-MoreBot.   Ever since I started using the Picaxe chips, I started to wonder how far you could take the -08M. I made this robot to squeeze … Read more
For now it draws the shapes provided, eventually it should cut them too - actually does do cutting now :D
Using a
Hi all,  As OddBot suggested on my blog I have created a robot page for this thing. I will update this page with more pictures schematics, code and video as soon … Read more
Sorry I do not have any pictures of this yet.  I just got batteries for my camera this morning before work.  This consists of: 2x Fairchild QRD1114 Reflective … Read more
Navigate around via ultrasound
Using a
This robot is based on the Tyco Rebound chasis. It is controleed by a Basic Stamp 2e. The motors are controlled by a L298 Compact Motor Driver Kit.  It uses a … Read more
Navigate around via ultrasound, climb low objects
Using a
project: SC-QR-1           (NOT MY VIDEO----->) Small Compact - Quad Robot - 1 so i started getting inspriated by some robots i saw on youtube! … Read more

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I thought it was time to tell a little about the application I'm working on these days. Though very far from finished, it's starting to look like something bit by … Read more
Navigate around using Object detection and Distance Detection
Meet Sparky (Assistive Companion) currently sparky has the ability to find his way around objects and navigate through rooms. Every move that sparky makes is saved … Read more
  i did not want to use the normal methods of a balcing robot.... so i just but a big hunk a metal under the axle. bot demensions 43x43x82 brain: … Read more
just another light seeking robot  41mm wheel base  iphone for size comparison 14cm x 8cm x 7cm   parts list Read more

quad encoder read speed

This is as much a programming problem as it is a mechanical issue I guess.
A few of us are working with quad encoders at the moment and I'm just wondering about ideas how to overcome a problem I've encountered using some.
I'm using interrupt on change to count encoder ticks and also reading a 16 bit timer for the interval between ticks on each motor.

Hello, my first post and first attempt at a robot. I visited the Manchester (UK) Mini Maker Faire recently and saw some biped robots and I decided that I just had … Read more