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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Grabbing objects, swinging them around
Using a
This is a delta parallel robot - aimed to be the smallest in the world. I aimed at a height of about 1cm, but during building I found that, with my … Read more
Navigates around via ultrasound, makes :D :) :( :| or :P, tries to catch everything nearby with its gripper
Using a
You can buy German Cheese in Shanghai, sealed in a nice aluminum can. Since a while I toyed already with the idea of doing sth. with these cans. Too good to throw … Read more
Walks forward and backward, turns in place, avoids obstacles.
Using a
This is a simple three-servo hexapod robot using the Pololu Micro Maestro as a controller.  The Micro Maestro allows allows me to sequence gaits and integrate … Read more
Keeps the baby sidetracked
What better way to celebrate the birth of a new family member. I jumped at the chance to make a solarised baby mobile to pacify our new arrival. So here is … Read more
Grab object while tracking them using live video.
Using a
UPDATED!!!!! RoboBOB is designed to track objects using it's vision and when signeled, grab it with it's closest hand.  The initial vision portion has been … Read more
The PICaxe USB cable is just a USB-Serial Converter.  Like a lot of USB-Serial converters, it's based on the FTDI 232 chip.  This means you can use most FTDI … Read more
Make your robot to 2 (or 3, or 4, or 5, or 6, or 7) things at the same time
This is part 0 of a multi-part series.  The other parts are here. Read more
A basic - intermediate walkthrough on programming in Spin
This is part 1 of a multi-part series.  The other parts are here. The Parallax Propeller can be programmed C, Spin, or Assembly; I think most people use Spin.  I … Read more
This is part 2 of a multi-part series.  The other parts are here. Spin is an 'object-oriented lite' programming language.  I like it because it eschews some of … Read more
How to use the Prop to do multiple things at the same time
This is part 3 of a multi-part series.  The other parts are here. Let's imagine a hypothetical 'obstacle avoidance' robot with a set of wheels and a ping … Read more
Peanut Tin of Terror is an autonomous beetleweight (3 lb) combat robot.  He competed in this year's Robogames 2010.  You can read about his development at … Read more
Sometimes you want to make not just one tip, but a complete series. Or colaborate across the site. This is how to do it best.
Sometimes you want to make not just one Tip/Walkthrough, but a series of postings that belong to each other. Or you want to cooperate with others on a subject / … Read more
his head is an LED and turns on only when there is no light !
Not only does he look human , he is also a functioning circuit ! his head is an LED and turns on only when there is no light ! he has got a mind of his Own ! :) … Read more
an example of a driver for a brushless DC motor without microcontroller
This is a continuation of my blog on the same subject. Please continue your commenting here.     I am the proud owner of a stack of scavenged hard drives. I hoped … Read more

Note: You can follow some projects some of the time, but you cannot follow all the projects all the time.




Recently collected


For better readability I have attached a pdf, which explains how linear regression is used for supervised machine learning. In this paper I also derived the general … Read more

Discuss general guidelines for self-balancing robots

I'd like to start a discussion to collect general knowledge of what to do and what not to do when building a two-wheeled self-balancing robot (SBR for short).  My hope is that this thread can become a somewhat comprehensive set of guidelines to help beginners and non-beginners build their first balancing robot or  achieve a more stable and successful subsequent design.  Things that I would like to understand include:

Printing with trimmer line

As many of the shout box regulars have found out i have my printer up and running. when i finished it i had no material to print with and a massive desire to see my monstrosity work amd remembered something i had read online.People were experimenting with trimmer line (the stuff thats used in weed wackers/weed eaters etc...) but last i had looked into it deltas and bowdens were the new and most people were running 3mm filament. well after looking around i found .065 inch line which measures out to ~1.68mm.

Soldering tutorial

Hey there

When first starting out on electronics, I found soldering really frustrating, mainly because I was missing a few good tips and tricks that make it a breeze! So I've just finished off a video tutorial, and thought I'd post it here in case anyone finds it helpful :)

http://robotblogging.blogspot.co.uk/2014/12/beginners-guide-to-soldering.html

-Chris

Arduino and a Chinese 32 channel servo controller

I bought a Chinese USC 32 channel servo controller on ebay a month ago. Last weekend I finally found some time to try it out. But I can not get it to work with my Arduino Mega, actually I thought there was something wrong with the board, unitl I downloaded the Chinese software for it, which lets you test the board. I connected 2 servos and the sliders in the program let the servos move. So the board works when using USB.

This is the link with the manual: http://www.torobot.co/usc32-manual

Spinning line follower or maze solver
I've now attached a 3D model in Sketchup. Scamper started as an experimental omni wheel platform. The challenge with omni or mecanum wheels is that you need precise … Read more