Let's Make Robots!

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wrench_orange.png Your work in progress or a finished robot: Robot project
script_edit.png Write in your own blog: Blog entry
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
link.png Add a good web shop, a guide or a cool link: Web link
**Update 5.29.10** Alright! I have successfully gone the other way now! (Not like that). Top Video and yes, the lighting sucked. Here's the system: Picaxe 28x2 (in … Read more
Pretty basic following of Frits' awesome 'Start Here' robot.  I bought all the parts from Solarbotics and Robot Shop with a few random things that I forgot from … Read more
I did a brief video tutorial on Diptrace - this is part 2 on Laying out a PCB.  Part 1, covering schematics is here. \ Read more
Cuts 2D and 2.5D shapes controlled by the PC.
Hi all! V2.5 is almost here, I'm still thinking on a nice name for it :) For now a list of changes I have done since V2.1: - upgraded motors to 200 steps/rev bigger … Read more
Obstacle avoidance, solar charging
Using a
This is my first robot which is still a work in progress. My goal is to create a pet robot that charges itself and navigates autonomously. At the time of this … Read more
Same as a real roach - runs around and annoys people
Using a
My first robot - "roachbot". Simple and stupid. Bumps into things, backs up, turns around. Cardboard body, Arduino brain, differential drive wheels, whisker … Read more
I did a brief video tutorial on Diptrace. If you're thinking of designing a circuit board, you might find it useful; Video This is the first part of a … Read more
Hi LMR! Well the time has come, this is my first ... OK not first but first posted bot :D This little dude has been built and rebuilt for 3 times now, it's purpose … Read more
produce chaotic drawings with his pen
Using a
Adding some infos: I use LDR for two purposes: 1) gather random bits in order to affect motor speed (PWM) 2) determine if the robot is stuk. Comparing subsequent … 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
avoids obstacles
This is my first robot. It just avoids things based on the data returned by the IR sensor on the front. I wanted this robot to be VERY simple (and it is) so that I … Read more
This is a simple Continuous Rotation Sonar Sensor, handy because it can sense in a complete 360 (excluding behind it, aka robot). I plan to mount two of these, one … Read more
Navigate around via sensors and home alarm system
Using a
Hi ALL!!! I'm from Ukraine, and this is my big project "NONAME" .  Why "NONAME"... I don't know :) Some people  give he name WALL-E , but they wrong... It's … Read more
Learn how to use your Arduino, and blink an LED
Hello all! In this walkthrough, I'm going to show you the basics of the Arduino and how to blink an LED. I know this has been done many times, but since I'm hoping … Read more

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Recently collected


Which MOSFET to use for battery voltage measurement?

Hello all,

I'm currently building a buoy with a string of sensors that measures temperatures at different dephts. I'll be making a blog or Something Else later.

The thing is, I want to measure the voltage of the battery (Li-Po) to be able to predict when it needs to be charged since the system will operate "out-there-in-the-middle-of-nowhere".

[Update: Chapter PROGRAMMING - Markov chain text generator] Introduction x2 is a small humanoid robot platform for my current research. It is also a HackadayPrize … Read more
Control every robot with a customizable app
I just finished a project I have been working on for quite a while now - a fully featured universal Bluetooth remote for Android. Most controllers I have seen on … Read more
Bitbang Control over FTDI
This is a short note on how to setup a C programming environment for the FTDI chip in bit banging mode, since that's what I had difficulty doing. There may be … Read more

Join the *LMR 3D Print Club*

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Interested in getting prints done, but have no printer?

Let's help each other printing more stuff :)

There may be a 3D printer or someone who'd like to pay for a print close to you..

Super Cooler Code

Hi guys as some of you know I've been working on code for a project I have in mind, it not a new idea, lots of folks are doing it http://freeaire.com/ , I just want to put my take on it, and perhaps save some store owners some money and make a little myself.

 I live in Maine USA, winters are pretty cold here, lots of small stores have walk in coolers for keeping beer and soda code, so why not when its suitable use that cold air to cool the walk ins, a typical 8' by 20' walking cooler costs $250 or more a month in electricity to operate.

Some design stuff

App controlled using arduino uno, android
The robot will think using a cheap smartphone(<80€) and use gps, accellerometer and compass data from the phone to command arduino through bluetooth or host … Read more
Walks using 3 servos, makes sounds depending on its environment
Using a
So, now that I've built a couple of bots, I thought I'd try making one of those Bottlebots that they have on TV, you know on that program where they fight? What's … Read more