Let's Make Robots!

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wrench_orange.png Your work in progress or a finished robot: Robot project
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comments.png Discussions and questions: Forum topic
brick.png Show what you are making robots of: Component
lightbulb.png Help others with what you have learned: Tip or walk through
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Before: I had no supplies to build chassis. So I had to improvise using the following objects: Read more
goes round and round stop as soon as it hits the wall
hey guys i have made my first robot after seeing the solar paneled robot i felt like making one too i searced for a solar panel but i couldnt find one. so i thought … Read more
CASTROBOT - Computer ASsisted Targetting Remotely Operated roBOT
Using a
I wanted to radically change the Mr. basic model, but still keep as much as possible of the original kit. Starting from left on the main picture, you can see a big … Read more
wen it is done i would like it to avoide obsticals and chase the cat to
Using a
so this is my first robot it has (4 servos)  3 for three legs  and 1 servo that will rotate the ir range finder a arduino for the brain. it is no ware near done … Read more
I've built several fire-fighting robots, and several walkers, but this is my first walking fire-fighting robot. Issy will compete in the Canadian National Robot … Read more
I need to finish some things, then i will put the complete project on web. I still have some technical and electrical problems which i am figuring out. Programming … Read more
Hi all I'm back with the Version 3 of my robot lawnmower. This version doesn't use the commpass but count the pulses on both wheels. It's able to work more than 3 … Read more

Leo

Main Goal : To listen for a knock at the door and then notify the human occupant of the house.  Eventually will be an AUV, complete with charging … Read more
I have got the sonar sensor working and scanning and added this to the data sent to the pc.  I have also written a very basic obstacle avoidance program which … Read more
I have always loved the looks of the omnibots and have the bigger ones. I found this omnibot on Ebay and I figured that the box like body would be big enough for … Read more
Navigate around via ping))) ultrasound detector.
Using a
This is my first robot rover I built with an arduino duemilanove and an Adafruit motorshield. It is not my first attempt however. The motors, tracks and metal frame … Read more
I built this from a kit.  Preprogrammed IC, and simple IR system.  Great way to learn how to solder onto a circuit board.  Since completing robot, I've detail … Read more
Lieutenant Dan is my entry in a junkbot contest. The "sponsor" wanted humanoids. I think Lt. Dan qualifies as a humanoid, even though only the top half of one. Read more
I wasn't really gonna post this robot, but then I thought what the heck, it IS my 1st robot. Besides the next time one of you guys make a robot that isn't as … 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