Let's Make Robots!


add.pngSubmit Something else Did you make something else? Show us


Making Halloween Decorations

Making Halloween Decorations!


I always wanted to make a robot arm so I bought a Halloween werewolf severed arm to make into a art bot robot arm.

I then chopped it up so that I can actuate the rubber parts.


Here's the servo's hot glued in on some foam board.


LMRbot WS2 - Progress made, progress halted

Since the last blog (Applying Murphy) I did all my tricks and other people's tricks but none of them solved the servo jitter problem. What did work in the end was removing all I2C communications. After that my bot happily tracked me as I celebrated the return of some kind of functionality. After some careful consideration I was able to pile the 18M2+20X2 setup into one almost-maxed-out 20X2. Without the need to slave the 20X2 (paired with the problems I'm having), the attractiveness of two-wire I2C communication disappeared.


Hi, I'm new to robotics and this forum. I've always wanted to build a robot but did not know where to start, until I stumbled on this site looking for parts for a R/C car and thought it would be a good idea to finally build my firs robot.

So, I got all my gear (tools) together and off I went into my caveman and started building my first robot. I decided to start with a simple obstacles avoiding robot project using the famous Arduino UNO. I'm going to name it The TurtleDuino because if all goes to plans it will look like a turtle.

Robo Dragon

Hi, I'm a beginer in this kind of robotics so please hang with me if i ask stupid questions or don't know how to do simple things. This is a project I thought would be fun and a overall good challenge, so far all i have done is a prototype for the wing design. The wing should be able to fold in and fit next to the body. Ill post any updates in this blog and will start a project when i start making  the real robot, and not prototypes.

This robot will hopefully do the following:

Axe - the sumobot

Hello hello!

As you can guess, I am making a new robot, and it is a small sumo!
- Picaxe 14M
- 2 modified micro servos
- 1 LDR to see the line of the ring
- Sharp IR sensor
- Bottle cap wheels until I make up a better solution (Yes, lol :D)

And when I will receive parts, or get something done, I am going to update this until it is time to post a robot!
Tomorrow (I think) I'm going to post schematics and maybe printed layout ready to make it pcb!

Friend E


This is my entry for the Office Gadget Challenge. I based my design on Burn-E from the movie Wall-E.

First design stages of the robot i would like to make.

The base of the robot is a metal project box, in the box there is going to be :


DFRobot is now three years young. 

Usually the one who has birthday gets some gifts but this time DFRobot is giving away lots of stuff...starting with a FREE SHIPPING DEAL for all orders from today to July 12.

Each of the three days celebration will have some special discount with up to 70% off.

I will shut up now and let you go shopping :-)

Life with Little Free time!

Right... It has been Way to long since I have had enough time to jump back into this amazing community so this is a quick Catch up on what has happened and what I've learnt in the last 9 months! (Why-Lumi once said if it's not on LMR it hasn't actually happened! & Some Pretty AWESOME Stuff has happened!)


The Low down....(More Info will Follow)

Moved to Australia, Got a Crap 60hr a week job driving-NO TIME for ROBOTS :-(

Phase 9 - Web Control (Serial Preview/Wannabe Web Control)

The thought occurred to me to test out a basic sketch for the wireless control portion in phase 9. Even though I'm not there yet, I'll be waiting on parts for awhile and thought to try my hand at serial commands. I do a lot of "remote desktop"-ing for work and use a free program called TeamViewer to remotely control a computer when there is a problem. I'm not an IT expert, but I'm just dangerous in enough areas that I get called on to do things like that from time to time.

laser traces to investigate how my two legged robot walker is balancing ( arduino nano & mpu 6050).

i tried to investigate trashbot #3 using a laser to understand whether active balancing in the spine actually has an effect, and documented that in a video (don't understand how i can embed a video here):

"how to" on youtube.

tell me what you think!

[PIWARS] Overview

Well, here we are, very close to the competition itself! What I want to know is where did all those months go?? It seems like only yesterday that I got that email saying I had been selected to compete! But on the other hand after all this hard work over such a long period Lobsang is getting quite sophisticated, though I don't know if it is enough to win any prizes at Pi Wars.

Mini-Compo at Eggshell Robotics

Hi LMR-people!

 We at Eggshell-robotics.com just passed our first birthday and we managed to make a "mini-competition". We want you to draw/animate/builb or whatever creative about something YOU love about robots. The winner will receive a free EggshellRobotics-T-Shirt. For all the rules, look here.


I lately spoke to Frits, and we agreed, that form time to time I keep on posting news or articles at let's make robots. I mainly write at the blog "Eggshell-Robotics", so it can happen, that some entries will just be "re-postings", but to topics, that seem to be relevant to me. So, here we go!

Octopus IP soft robot

This here could be interesting for the LMR-Community: The Octopus IP is a "soft robot", that uses a principle derived from the muscles of an octopus. It's made of rubber and strings - and it looks extremely sleek. The research for the Octopus Project is funded by the 7th FP of the EU. But, yeah. It should be also possible to assemble this at home for the freaks!

Blinking an LED in about 5 to 10 minutes

Earlier today got a FedEx delivery of a MakerShed order placed last week. Toys!


 One particular toy was a new Arduino Duemilanove. Had to see what made the Arduino popular.


Still need help with the video portion of this project

This project exists, and works when tethered.  But thats not fun, need send wireless video to a laptop from a surveillance camera.  Im interested in building it rather than buying, so the more help I can get, the better.  I thank those in advance who've read this and are thninking of making similar, or even more elaborate versions of this project.

Base station - specifications

The Base module (BM) provides

  •     beacon + heading assistance (v1)
  •     charger (v1)
  •     calibration (v2)
  •     USB (v1)

It is laid on the floor and is powered by the nearest outlet.

The robot must have the corresponding localization hardware and software. These elements should be as light (physically and for resources) as possible.

Robot-SM advert

A small advert of Robot-SM that will be held on Sunday. You wil be able to watch it live here on LMR, if you haven't seen it yet the preparation is already available live on the front page.

OPB704 Line Sensor


I have received questions regarding the line sensor that I'm using on my mini sumo bot. Here I will post the schematic and pictures of the board. 

The OPB704: