Let's Make Robots!

Recently Collected Posts

Need someone to write a review of the Overlord 3D printer

YOU decided who is getting a Overlord 3D printer for free!!!

The lucky winner ist Mr. jinx....congratulation!!!

UPDATE Feb. 3rd:

First Robot Build. Vinny was salvaged from an RC car truck that I bought from the Goodwill for $1.99. Read more
PiKit is modular and powerful robotic kit for everyone. Be a part of robotic revolution with PiKit. Raspberry Pi with Linux operating system, computer vision and … Read more
"Spidy" the spider robot. A bunch of people have built these. After my having seen them I had to make one too!  :-) Spidy is a Start Here type robot. Otherwise … Read more

The robots we've always wanted

In a recent thread, some LMR members started listing robots they loved and which inspired them, either real or from sci-fi novels or movies. My interest in robotics also finds its origin in our great sci-fi canon, and people listed some really cool robots I'd never even heard of. I thought it may be interesting to split this off as a forum topic and hear about even more robots out there and how and why they inspired our fellow LMR members to build robots themselves?   

Adjusting for air/water current

First a terminology question:

What do you call the direction a boat/plane is pointed?

Yeah it is a silly nit, but I am documenting a design and people will pick nits. A simple example is a boat crossing a river. For simplicity, consider the river flowing from N to S and boat crossing from W to E. So the bearing/heading is E. But if point the boat due E you will go SE, so you have to point the boat NE. When I learned to kayak, this was called ferrying and the angle was referred to as "set", but I hate using such an overloaded term.

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:

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 :)




Not many people understand chronic depression. I doubt anything I write here will solve anything, but I think it's important that people recognize the signs of depression and learn to recognize them in themselves and their loved ones.

Most people make the mistake of confusing depression with depression. See, I've just done it myself. One problem for English speakers is that the word for depression (as in a chronic life-threatening mental illness, most often inherited) with depression (as in being sad for a few weeks due to a known cause).

Questions about Wild Thumper 6WD with Wild Thumper Robot Controller

This is my first post and my first attempt at starting a robot and programming said robot. I have some questions regarding my Wild Thumper 6WD with Wild Thumper Robot Controller.

I had bought a RC Car from walmart for about $15 to use with the Arduino Motorshield a while back (see here). Fortunately, I had taken some pictures before I … Read more
The robot moves avoiding obstacles and choosing the best way to follow by ultrasound.
Using a
The programming code is attached here as a .txt file. Download it and paste the text on the Arduino compiler. Remember to add the IRremote library (also attached … Read more
Obstacle avoidance using ultrasound sensor
Updated post with new parts, ideas, pictures, and questions Hello robotics community! This is my first post I have made here. Im fairy new to robotics and am … Read more
Balances without gyros - arduino, hc-sr04, continuous servos
Here's my slightly unusual balancing bot. Normally balancing bots use motors and gyros,but my minimal bot uses just servos and an untrasonic distance … Read more
    Hello all!This is my robotic arm project. It is almost finished it just needs the controller and a bit of programming it finish it up. Read more
The MeArm is a project I've been working on since February. It's an open source robot arm. I think this is the reason I've not shared on here before, this big white … Read more
Multiple functions - aims to be an easy to edit robot with lots of accessable variables and functions within the software, these can be implemented in a meaningful in the main loop to make the robot function as desired.
You can see a side view here and a view of the casters here  I worked really hard on that acronym title. Chassis Read more
My first robot using Rover5 - roverbot! Objective: Night timeshift photography... Analyzing plants, photo capturing for 3D modeling.. WIP Components used: Read more
Neon clock on the old Soviet neon lamps (IN-12) 1970s. Welcome to the USSR :))   Read more

Sunny - The InMoov clone at DFRobot


The time lapse video made with 1200 photos captured by Sunny's camera eye (it's on Youku).


May I introduce Sunny. He's a direct offspring of the famous InMoov.

4 axis robot arm with a small gripper and teach function. (In fact: it is a 3 axis robot) This robot can follow. This robot can learn. And this robot can repeat … Read more
All my project ideas needed CNC motion, which was due, at least in my shop, for a standardized approach which will hopefully classify the extruder, laser diode, and … Read more
Push other robots out of the ring
Hello guys, Sturdy is a sumo robot that is an upgrade to my previous sumo robot, Lambo-2WD. Unlike scrapping and cutting our way through tin like last time, I … Read more
Actually, I made this Robot to be controlled by an android device through Bluetooth Module. But unfortunately my bluetooth module stopped working. So I was thinking … Read more

Verbal Skills and NLP

I'm starting this forum for discussing verbal skills in robots including but not limited to natural language processing.  I'd like this to be a place to discuss conventional and out of the box ideas for improving verbal skills in robots.  This could involve:

produce chaotic drawings with his pen
hi all I am mr. Chaos  I can draw chaotic drawings with my ink pen i suck energy from a 1.4 v zinc air cell nice to meet you Read more